TY - BOOK AU - Swarup,R. AU - Mishra,S.N. AU - Jauhari,V.P. TI - Encyclopaedia of ecology, environment & pollution control 1 An introduction to man and his environment SN - 817099361X U1 - 304.203 22 PY - 1992/// CY - New Delhi PB - Mittal Publ KW - Encyclopaedia of environment ER -