| The design and construction of the ZEUS central tracking detector B Foster, J Malos, DH Saxon, DE Clark, AK Jamdagni, C Markou, ... Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 1994 | 605 | 1994 |
| Host-microbe coevolution: applying evidence from model systems to complex marine invertebrate holobionts PA O’Brien, NS Webster, DJ Miller, DG Bourne MBio 10 (1), 10.1128/mbio. 02241-18, 2019 | 105 | 2019 |
| The Muslim Question in Europe P O'Brien Temple University Press, 2016 | 90 | 2016 |
| Beyond the Swastika P O'Brien Routledge, 2002 | 61 | 2002 |
| Implications of ocean acidification for marine microorganisms from the free-living to the host-associated PA O'Brien, KM Morrow, BL Willis, DG Bourne Frontiers in Marine Science 3, 47, 2016 | 59 | 2016 |
| Continuity and change in Germany's treatment of non-Germans P O'brien International Migration Review 22 (3), 109-134, 1988 | 54 | 1988 |
| German-Polish migration: the elusive search for a German nation-state P O'Brien International Migration Review 26 (2), 373-387, 1992 | 39 | 1992 |
| European perceptions of Islam and America from Saladin to George W. Bush: Europe’s fragile ego uncovered P O'Brien Springer, 2008 | 32 | 2008 |
| Migration and its risks P O'Brien International Migration Review 30 (4), 1067-1077, 1996 | 29 | 1996 |
| On the efficiency calibration of semiconductor X ray detectors JL Campbell, P O'brien, LA McNelles Nuclear Instruments and Methods 92 (2), 269-275, 1971 | 28 | 1971 |
| Elevated CO2 Has Little Influence on the Bacterial Communities Associated With the pH-Tolerant Coral, Massive Porites spp. PA O’Brien, HA Smith, S Fallon, K Fabricius, BL Willis, KM Morrow, ... Frontiers in Microbiology 9, 2621, 2018 | 25 | 2018 |
| Making (normative) sense of the headscarf debate in Europe P O'Brien German Politics and Society 27 (3), 50-76, 2009 | 16 | 2009 |
| Counter-terrorism in Europe: the elusive search for order P O’Brien European security 25 (3), 366-384, 2016 | 15 | 2016 |
| Germany's newest aliens: the East Germans P O'Brien East European Quarterly 30 (4), 449, 1997 | 12 | 1997 |
| Access COI barcode efficiently using high throughput Single-End 400 bp sequencing C Yang, S Tan, G Meng, DG Bourne, PA O’Brien, J Xu, S Liao, A Chen, ... BioRxiv, 498618, 2018 | 8 | 2018 |
| 5. Secularism P O'Brien, H Blakkisrud | 8 | 2016 |
| The civil rights of West Germany's migrants P O'Brien German Politics & Society, 27-40, 1990 | 7 | 1990 |
| Komorbidität bei Epilepsien S Beyenburg, D Schmidt Nervenheilkunde 23 (01), 21-30, 2004 | 6 | 2004 |
| Islam vs. liberalism in Europe P O'Brien The American Journal of Islamic Social Sciences 10 (3), 367-81, 1993 | 6 | 1993 |
| Bordering in Europe: Differential Inclusion P O’Brien Border Crossing 9 (1), 43-62, 2019 | 5 | 2019 |
