Encyclopaedia of World Environment: Ecology (Volume I)
Trivedi, P. R.
Encyclopaedia of World Environment: Ecology (Volume I) - New Delhi: A P H, 1999. - 311p.
Ecology
577.03 TRI
Encyclopaedia of World Environment: Ecology (Volume I) - New Delhi: A P H, 1999. - 311p.
Ecology
577.03 TRI