by Sikkel, PC, Smit, NJ
Published in African journal of marine science (02.01.2018)

by Sikkel, Paul C., Cheney, Karen L., Côté, Isabelle M.
Published in Animal behaviour (01.08.2004)

by Sikkel, Paul C., Kramer, Donald L.
Published in Animal behaviour (2006)

by Sikkel, Paul C.
Published in Behavioral ecology (1998)

by Sikkel, Paul C.
Published in Bulletin of marine science (01.11.1995)

by Sikkel, Paul C.
Published in Animal behaviour (01.05.1994)

by Sikkel, Paul C.
Published in General and comparative endocrinology (01.02.1993)

by Sikkel, Paul C.
Published in Animal behaviour (01.09.1989)

by Sikkel, Paul C., Petersen, Christopher W.
Published in Bulletin of marine science (01.11.1995)

by Alcalay, Orion M., Sikkel, Paul C.
Published in Bulletin of marine science (01.03.1994)

by Sikkel, P.C. (Oregon State Univ., Corvallis, OR (USA). Dept. of Fisheries and Wildlife)
Published in Environmental biology of fishes (01.04.1990)

by Sikkel, Paul C
Published in Natural history (01.12.1994)