Proc R Soc Lond B Biol Sci. 1977 May 04;197(1127):225-9. doi: 10.1098/rspb.1977.0066.
Proceedings of the Royal Society of London. Series B, Biological sciences
J F Iles
PMID: 17867 DOI: 10.1098/rspb.1977.0066
[No abstract available.]