000 00279nam a2200121Ia 4500
008 220201s1970 xx 000 0 eng d
082 _a331.126
_bAGG
100 _aAggarwal
245 0 _aMan Power Demond .
260 _bSonakashi Prakashan .
_c1970
300 _a368
942 _2ddc
999 _c1445
_d1445