100.000+ autores registrados con R · página 27
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| United States. Federal Highway Administration. Office of Infrastructure R&D | — |
| United States. Federal Highway Administration. Office of Operations R&D. | — |
| United States. Federal Highway Administration. Office of Operations R&D. | — |
| United States. Federal Highway Administration. Office of Safety R&D. | — |
| United States. Federal Highway Administration. Office of Safety R&D | — |
| Wisconsin. Department of R.D. | — |
| R & D Workshop (1983 New Delhi, India) | — |
| Auwal Hussain R/Dadi | — |
| Dagnino R. | — |
| Gunnar Rødahl | R998 |
| Dahlan A. R. | — |
| DAI WEI ( Fred DENG ZHU [ MEI ] FU LEI DE · R. | — |
| Dailet Butto R. | — |
| Rabbi David Kimchi (R'dak) | — |
| Daley R. | — |
| Dallos R | — |
| Dana R. | — |
| Daniel R. | — |
| Daniel R | — |
| Daniel Fernández R. | — |
| Daniel Mesino R. | — |
| Daniela U belho r | — |
| Daniellis R. | — |
| Daniels R | — |
| Danilo Torres R. | — |
| Dany Rodríguez R. | — |
| Darío López R. | — |
| Darke R. | — |
| S R_Das | — |
| Vegard Rødås | 1971 | R998 |
| R.Dasegowda | — |
| R. Daudel, R. Lefebvre, and C. Moser | — |
| Daval R. | — |
| Dave R | — |
| David R | — |
| Daṿid R. | — |
| David Bañuelos R. | — |
| David Capo R | — |
| R., David Fulcher | — |
| DAVID GARCÍA R. | — |