000 00346pam a2200157a 44500
008 230515b1990 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aN.D.
100 _aUppal M. M.
245 _aEngineering Chemistry
250 _a0
260 _aNULL
_bKhanna Publisher
_c1990
300 _a580
650 _aNULL
999 _c569003
_d569003