000 00349pam a2200157a 44500
008 230405s1993 xxu||||| |||| 00| 0 eng d
041 _aENG
100 _aSimpson A.
245 _aUnderstanding debase IV 1.5
250 _a1
260 _a
_bBPB Pub New Delhi
_c1993
300 _a1002,23cm
440 _a150
690 _aIMRDA
906 _a410
999 _c253269
_d253269