000 00301nam a2200121Ia 4500
008 220201s2003 xx 000 0 eng d
082 _a020
_bSHA
100 _aShankar Singh
245 0 _aSuchna prdhyogic & pustkalya
260 _aNew Delhi
_bESS ESS Publication
_c2003
300 _a342
942 _2ddc
999 _c28586
_d28586