000 00444nam a2200169Ia 4500
008 190327s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a546.22
_bP497S
100 _aFeanov, E
245 0 _aSansar ka sabse anokha dravya
_cE Feanov
260 _aDelhi
_bBharat gyan vigyan
_c1994
300 _a107p.
440 _aLok hitkari vigyan mala
650 _aMatter; Water
700 _aMehra, Navin
942 _cBKS
999 _c53357
_d53357