Water Pollution and Management

od Varshney,C K Ed
Wydane 1985

Water pollution and management reviews 1982

od Varshney, C.K. [ed.]
Wydane 1983

Water pollution and management

od Varshney, C K, Ed
Wydane 1991

Aquatic weeds in south east Aisa

od Varshney, C K, Ed.; Rzoska, J, Ed
Wydane 1976

Environmental challenges

od Varshney, C K, Ed.; Sradesai, D R, Ed
Wydane 1993

Environmental challenges

od Varshney, C K, Ed.; Sradesai, D R, Ed
Wydane 1993