000 00296nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a577.14 DHA
100 _aDHAMEJA (Suresh .K)
245 _aEnvironmental Studies
260 _aNew Delhi
_bS.K.KATARIA & SONS
365 _cRs
999 _c210436
_d210436