000 00284nam a2200121Ia 4500
008 160710s1974 xx 000 0 und d
082 _a531 BHA
100 _aBHARGAVA,D.N.
245 _aT,B, OF MECHANICS
260 _bRATAN PRAKASHAN MANDIR
_c1974
300 _a554
942 _2ddc
_cB
999 _c42682
_d42682