TY - BOOK AU - Cunningham,William P. AU - Saigo,Barbara Woodworth TI - Environmental science: a global concern SN - 0072909323 AV - GE105 .C92 2001 U1 - 363.7 21 PY - 2001/// CY - Boston PB - McGraw-Hill KW - Environmental sciences N1 - Includes bibliographical references and index ER -