TY - BOOK AU - AU - Pfafflin, J. R.;Ziegler, E. N. ED - ED - ED - ED - SN - 2-88124-504-8 (set : hardcover);2-88124-501-3 (v. 1 : hardcover);2-88124-502-1 (v. 2 : hardcover) SN - 2 PY - 1992///.46 CY - Philadelphia PB - Gordon and Breach Science Publishers KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Encyclopedias.;Encyclopedias KW - Environmental engineering;Environmental sciences N1 - Includes bibliographical references and indexes; 5 ER -