Encyclopaedia of ecology, environment & pollution control 20 Environment an assessment. /
Encyclopaedia of ecology, environment & pollution control 20 Environment an assessment. /
ed. by R. Swarup, S. N. Mishra, V. P. Jauhari.
- New Delhi : Mittal Publ, c1992.
- vol-20, 412 p. : ill. ; 22 cm.
8170993806
Encyclopaedia of environment.
304.203
8170993806
Encyclopaedia of environment.
304.203