TY - DATA AU - Cunningham,William P. AU - Cunningham,Mary Ann TI - Principles of environmental science: inquiry and applications SN - 9780070647725 (acid-free paper) U1 - 363.7 22 PY - 2007/// CY - New Delhi PB - Tata McGraw-Hill Education Private Limited KW - Environmental sciences KW - Textbooks N1 - Includes index; cse ER -