000 00278nam a2200121Ia 4500
008 160710s1990 xx 000 0 und d
082 _a600 TIW
100 _aTIWARI, SURYA PRAKASH
245 _aVIGYAN JAGAT
260 _bVIGYAN BHARTI
_c1990
300 _a188
942 _2ddc
_cB
999 _c49725
_d49725