000 00388nam a2200145Ia 4500
008 190329s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a550.
_bP985M
100 _aPuri, Kanchan Dr.
245 0 _aMain hoon Prathvi
_cDr. Kanchan Puri
260 _aDelhi
_bDelhi Pustak Sadan
_c1999
300 _a192pg,
650 _aSCIENCE, EARTH SCIENCE,
942 _cBKS
999 _c80762
_d80762