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Robert Usinger
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Sierra Nevada Natural History
978-O-52O-24O96-4
(O-52O-24O96-O)
2004
Tracy I. Storer · David Lukas
Robert L. Usinger
·
Robert Leslie, Usinger
·
Robert Uschnig
Robert Uth