Encyclopaedia of nature and environment

Sethi, M.S.

Encyclopaedia of nature and environment M.S. Sethi, S.A. Iqbal. - 2nd ed.. - New Delhi Discovery 1998 - 342p., ill.; 28cm.

574.503 / S30E
HMS Central Library, Jamia Hamdard, Hamdard Nagar, New Delhi -110062, INDIA