000 00366nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a8121916925
041 _aen
082 _a363.7
100 _aASTHANA, D.K.
245 0 _aEnvironment : Problems and Solutions
260 _aNew Delhi.
_bS.Chand and Company (Ltd.)
_c1998
300 _axii, 323p.
942 _cPR
999 _c51055
_d51055