00429nam a2200121Ia 4500008004100000020001800041082001900059100001700078245014000095250001600235260004600251300001000297190115s9999||||xx |||||||||||||| ||und||  a9788131806418  a344.046bSHA/E  aSharma, J.P. 0aEnvironmental Studies (For Undergraduate Classes in Science, Commerce, Humanities, Engineering, Medicine, Pharmacy, Management and Law)  a3rd Edition  aNew DelhibUniversity Science Pressc2009  a219p.