TY - BOOK AU - Mantell,C.L. AU - Mantell,Adelaide M. TI - Our fragile water planet: an introduction to the earth sciences SN - 0306308770 : U1 - 550 PY - 1976/// CY - New York PB - Plenum Press KW - Earth sciences KW - Environmental sciences KW - Earth N1 - Includes bibliographical references and index ER -