http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
With keys to North American genera and California species
INSECTS aquatic California -- Aquatic Insects of California.With keys -- to North American genera and California -- species.Ed.by Robert L[eslie] Usinger. -- Berkeley [usw.]:Univ.of California Press -- 1956.IX,508 S.mit zahlr.Abb. 4° -- 1962: 458. -- Ho..