by Simmons, Robert E, Barnard, Phoebe, Dean, WRJ, Midgley, Guy F, Thuiller, Wilfried, Hughes, Greg
Published in Ostrich (01.12.2004)

by Simmons, RE, Sakko, A, Paterson, J, Nzuzi, A
Published in African journal of marine science (01.11.2006)

by CURTIS, ODETTE, SIMMONS, ROBERT E., JENKINS, ANDREW R.
Published in Bird conservation international (01.12.2004)

by Simmons, R.E. (Cape Town Univ., Rondebosch (South Africa). Percy FitzPatrick Inst.)
Published in Ostrich (01.10.2005)

by Simmons, R E, Griffin, M, Griffin, R E, Marais, E, Kolberg, H
Published in Biodiversity and conservation (01.04.1998)

by Simmons, Robert E.
Published in Behavioral ecology (1997)

by SIMMONS, R. E., DU PLESSIS, M. A., HEDDERSON, T. A. J.
Published in Ibis (London, England) (01.01.2005)

by Simmons, Robert E., Allan, David G., Dean, W.R.J.
Published in Ostrich (01.09.2002)

by Simmons, Robert E, Kemper, Jessica
Published in Ostrich (01.09.2003)

by Robertson, A., Simmons, R.E., Jarvis, A.M., Brown, C.J.
Published in Biological conservation (1995)

by Robertson, A, Jarvis, A M, Brown, C J, Simmons, R E
Published in Biodiversity and conservation (01.04.1998)

by Simmons, Robert E., Barnard, Phoebe, Jamieson, Ian G.
Published in Ostrich (01.09.1999)

by SIMMONS, ROBERT E., CORDES, IMKE, BRABY, ROD
Published in Ibis (London, England) (01.07.1998)

by SIMMONS, ROBERT E
Published in Ibis (London, England) (01.10.1993)

by Lloyd, Penn, Little, Robin M., Crowe, Timothy M., Simmons, Rob E.
Published in Ostrich (01.03.2001)

by Simmons, RE, Cordes, I
Published in African journal of aquatic science (01.01.2000)

Published in British medical journal (Clinical research ed.) (10.04.1982)

by Simmons, RE, Sakko, A, Paterson, J, Nzuzi, A
Published in African Journal of Marine Science (01.11.2006)

by Fox, V. E., Lindeque, P. M., Simmons, R. E., Berry, H. H., Brain, C., Brabys, R.
Published in Ostrich (01.06.1997)

by Simmons, R E, Hjelle, J T, Mahoney, C, Deftos, L J, Lisker, W, Kato, P, Rabkin, R
Published in American journal of physiology. Renal physiology (01.04.1988)