Cupp, Easter E. Marine plankton diatoms of the west coast of North America / by Easter E. Cupp - Konigstein : Otto Koeltz Science Publishers, 1977 - 237 p. : ill. ; 26 cm. first published by the University of California Press in 1943 ISBN: 3874291251 RM91.20 Subjects--Topical Terms: PlanktonFragilariaceae