| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Engineering and Technology | 47 | 4864 | 4680 | 1399 | 1292 | 220 | 8504 |
The chart shows the history of publications by Christy K. Holland between 1968 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Christy K. Holland published across 58 years, from 1968 to 2025, averaging 4.6 papers a year. Output peaked at 17 publications in 2016. 7 of the 269 publications appeared in the last two years.
269 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1968 | 1 |
| 1969 | 0 |
| 1970 | 0 |
| 1971 | 0 |
| 1972 | 2 |
| 1973 | 0 |
| 1974 | 0 |
| 1975 | 0 |
| 1976 | 0 |
| 1977 | 0 |
| 1978 | 0 |
| 1979 | 0 |
| 1980 | 0 |
| 1981 | 0 |
| 1982 | 0 |
| 1983 | 0 |
| 1984 | 0 |
| 1985 | 0 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 1 |
| 1989 | 4 |
| 1990 | 1 |
| 1991 | 3 |
| 1992 | 4 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 3 |
| 1996 | 5 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 1 |
| 2001 | 2 |
| 2002 | 2 |
| 2003 | 5 |
| 2004 | 5 |
| 2005 | 8 |
| 2006 | 10 |
| 2007 | 14 |
| 2008 | 14 |
| 2009 | 16 |
| 2010 | 11 |
| 2011 | 9 |
| 2012 | 11 |
| 2013 | 14 |
| 2014 | 7 |
| 2015 | 15 |
| 2016 | 17 |
| 2017 | 15 |
| 2018 | 8 |
| 2019 | 17 |
| 2020 | 5 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 4 |
| Total | 269 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Christy K. Holland sits on this spectrum.
This scientist: 220 publications — 55th percentile
55% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 804 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 38–47 | 20 | |
| 48–57 | 35 | |
| 58–67 | 96 | |
| 68–77 | 135 | |
| 78–87 | 190 | |
| 88–97 | 259 | |
| 98–107 | 283 | |
| 108–117 | 369 | |
| 118–127 | 341 | |
| 128–137 | 386 | |
| 138–147 | 372 | |
| 148–157 | 457 | |
| 158–167 | 415 | |
| 168–177 | 407 | |
| 178–187 | 421 | |
| 188–197 | 378 | |
| 198–207 | 403 | |
| 208–217 | 317 | |
| 218–227 | 346 | 220 |
| 228–237 | 321 | |
| 238–247 | 260 | |
| 248–257 | 280 | |
| 258–267 | 240 | |
| 268–277 | 214 | |
| 278–287 | 242 | |
| 288–297 | 203 | |
| 298–307 | 166 | |
| 308–317 | 154 | |
| 318–327 | 175 | |
| 328–337 | 159 | |
| 338–347 | 99 | |
| 348–357 | 131 | |
| 358–367 | 106 | |
| 368–377 | 118 | |
| 378–387 | 97 | |
| 388–397 | 108 | |
| 398–407 | 82 | |
| 408–417 | 71 | |
| 418–427 | 64 | |
| 428–437 | 55 | |
| 438–447 | 54 | |
| 448–457 | 60 | |
| 458–467 | 47 | |
| 468–477 | 40 | |
| 478–487 | 30 | |
| 488–497 | 29 | |
| 498–507 | 38 | |
| 508–517 | 40 | |
| 518–527 | 32 | |
| 528–537 | 23 | |
| 538–547 | 28 | |
| 548–557 | 23 | |
| 558–567 | 19 | |
| 568–577 | 16 | |
| 578–587 | 17 | |
| 588–597 | 18 | |
| 598–607 | 22 | |
| 608–617 | 15 | |
| 618–627 | 9 | |
| 628–637 | 11 | |
| 638–647 | 21 | |
| 648–657 | 12 | |
| 658–667 | 9 | |
| 668–677 | 11 | |
| 678–687 | 9 | |
| 688–697 | 6 | |
| 698–707 | 14 | |
| 708–717 | 7 | |
| 718–727 | 8 | |
| 728–737 | 10 | |
| 738–747 | 9 | |
| 748–757 | 5 | |
| 758–767 | 5 | |
| 768–777 | 11 | |
| 778–787 | 7 | |
| 788–797 | 2 | |
| 798–803 | 4 | |
| 804+ | 100 |
The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Christy K. Holland sits on this spectrum.
This scientist: 47 D-Index — 52nd percentile
52% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 107 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 59 | |
| 31 | 114 | |
| 32 | 129 | |
| 33 | 189 | |
| 34 | 200 | |
| 35 | 262 | |
| 36 | 311 | |
| 37 | 312 | |
| 38 | 350 | |
| 39 | 385 | |
| 40 | 348 | |
| 41 | 362 | |
| 42 | 426 | |
| 43 | 380 | |
| 44 | 310 | |
| 45 | 341 | |
| 46 | 301 | |
| 47 | 306 | 47 |
| 48 | 271 | |
| 49 | 246 | |
| 50 | 210 | |
| 51 | 253 | |
| 52 | 213 | |
| 53 | 221 | |
| 54 | 195 | |
| 55 | 186 | |
| 56 | 170 | |
| 57 | 167 | |
| 58 | 166 | |
| 59 | 144 | |
| 60 | 152 | |
| 61 | 141 | |
| 62 | 138 | |
| 63 | 131 | |
| 64 | 118 | |
| 65 | 114 | |
| 66 | 119 | |
| 67 | 95 | |
| 68 | 87 | |
| 69 | 77 | |
| 70 | 89 | |
| 71 | 69 | |
| 72 | 54 | |
| 73 | 46 | |
| 74 | 55 | |
| 75 | 54 | |
| 76 | 49 | |
| 77 | 53 | |
| 78 | 46 | |
| 79 | 28 | |
| 80 | 39 | |
| 81 | 36 | |
| 82 | 24 | |
| 83 | 26 | |
| 84 | 36 | |
| 85 | 18 | |
| 86 | 25 | |
| 87 | 19 | |
| 88 | 26 | |
| 89 | 27 | |
| 90 | 23 | |
| 91 | 15 | |
| 92 | 12 | |
| 93 | 9 | |
| 94 | 15 | |
| 95 | 10 | |
| 96 | 13 | |
| 97 | 13 | |
| 98 | 9 | |
| 99 | 7 | |
| 100 | 7 | |
| 101 | 8 | |
| 102 | 7 | |
| 103 | 7 | |
| 104 | 9 | |
| 105 | 6 | |
| 106 | 9 | |
| 107+ | 99 |
Robert E. Apfel;Christy K. Holland
Christy K. Holland;Robert E. Apfel
Unknown
Klazina Kooiman;Silke Roovers;Simone A.G. Langeveld;Robert T. Kleven
Unknown
Unknown
C.K. Holland;R.E. Apfel
Unknown
Christy K. Holland;Cheri X. Deng;Robert E. Apfel;Jonathan L. Alderman
Xinhui Zhou;Carol Y. Espy-Wilson;Suzanne Boyce;Mark Tiede
Unknown
A.A. Atchley;L.A. Frizzell;R.E. Apfel;C.K. Holland
Unknown
Unknown
Unknown
George J. Shaw;Jason M. Meunier;Shao Ling Huang;Christopher J. Lindsell
Unknown
Unknown
Unknown
Unknown
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