By Loew E.R.   Sillman A.J.   in Vision Research

ISSN:0042-6989|38|1|111-114

Elsevier‎(1998)‎

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By Ong E.K.   Loew E.R.   Sillman A.J.   in Canadian Journal of Zoology

ISSN:1480-3283|85|4|584-587

NRC Research Press‎(2007)‎

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