000 00301nam a22001217a 4500
003 OSt
008 230904b |||||||| |||| 00| 0 eng d
082 _a631.521
_bA25B
100 _aAgrawal, Ratanlal
245 _aBeej Utpadan avam Parmanikaran
260 _aNainital
_bG.B.P.A.U
_c1975
942 _2ddc
_cBK
999 _c31079
_d31079