Encyclopaedia of Environmental Science and Technology. Vol. 6 - S.K. Agarwal (New Delhi APH Publishing Corporation, 2011)
S.K. Agarwal: Encyclopaedia of Environmental Science and Technology. Vol. 6. New Delhi. APH Publishing Corporation, 2011. 81-313-1042-7 Rs. 6500.00--(574.503AGA)
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