000 00372nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e202917
_aMAIN
041 _aEnglish
082 _a363.7 C392T
100 _aChhatwal, G R
245 0 _aTextbook of environmental studies
260 _aNew Delhi
_bHimalaya Publishing House
_c2012
300 _a459 p.
942 _cBK
999 _c171458
_d171458