TY - BOOK AU - Enger,Eldon D. AU - Smith,Bradley F. TI - Environmental science: a study of interrelationships SN - 0072919876 (acidfree paper) AV - GE 105 .E45 2004 PY - 2004/// CY - Boston PB - McGraw-Hill Higher Education KW - Environmental sciences N1 - Includes bibliographical references (p. C-3) and index ER -