574.52603
S573E
           Swarup, R (Ed.)
               Encyclopaedia of ecology, environment and pollution control environmental science and technology \ R Swarup - New Delhi : Mittal, 1992.
               v.7 (v, 327p)
                ISBN: 81-7099-360-181-7099-367-9 (v.7)

132279
                Subjects: Ecology-Encyclopaedias; Nature and nuture-Encyclopaedias; Pollution control-Encyclopaedias.