by Simmons, R.E, Altwegg, R
Published in Journal of zoology (1987) (01.09.2010)

by Seymour, C.L., Simmons, R.E.
Published in Journal of arid environments (01.12.2008)

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

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

by Braby, J, Underhill, L G, Simmons, R E
Published in African journal of marine science (01.08.2011)

by Turner, R.C., Midgley, J.J., Barnard, P., Simmons, R.E., Johnson, S.D.
Published in South African journal of botany (01.03.2012)

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

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

by Braby, J, Braby, R J, Braby, N, Simmons, R E
Published in Ostrich (01.08.2009)

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

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)

by Herrman, J, Simmons, R E, Frank, B H, Rabkin, R
Published in The American journal of physiology (01.04.1988)

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

by BALL, M. C, MARSH, C. M, SIMMONS, R. E, SUTHERLAND, I, SYMONS, M. C. R
Published in Journal of materials science (01.04.1988)

by Simmons, R E
Published in ASHRAE TRANS (01.01.2001)

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

by BALL, M. C, SIMONS, R. E, SUTHERLAND, I
Published in Journal of materials science (01.06.1987)

by Ball, M.C., Simmons, R.E., Sutherland, I.
Published in Cement and concrete research (1988)