Hertlein, George The geology and paleontology of the marine Pliocene of San Diego, Californai : geology. - California : Society of Natural History, 1944. - 72 p. : il. ; 29 cm Subjects--Topical Terms: EstratigrafíaPlioceno Subjects--Geographic Terms: CaliforniaSan Diego Index Terms--Genre/Form: Libro Universal Decimal Class. No.: 551.782.2(722)(058)