TY - BOOK AU - Reddy M Anji TI - Textbook of environmental science and technology SN - 817800156X (pbk) U1 - G:55, P7 PY - 2007/// CY - Hyderabad PB - B S Publications KW - Atmosphere KW - Environmental science KW - Environmental studies KW - Hydrosphere KW - General science N1 - ''References 311-313p''.; ''Index 315-319p'' ER -