TY - BOOK AU - Morgan,Michael D. AU - Moran,Joseph M. AU - Wiersma,James H. TI - Environmental science: managing biological & physical resources SN - 0697108015 U1 - 363.7 22 PY - 1993/// CY - England PB - W.C. Brown KW - Environmental sciences N1 - Includes bibliographical references and indexes ER -