Encyclopaedia of World Environment: Basic Environment Laws (Volume V)
Trivedi, P. R.
Encyclopaedia of World Environment: Basic Environment Laws (Volume V) - New Delhi: A P H, 1999. - 337p.
Ecology
577.03 TRI
Encyclopaedia of World Environment: Basic Environment Laws (Volume V) - New Delhi: A P H, 1999. - 337p.
Ecology
577.03 TRI