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 |