000 00310nam a2200121Ia 4500
008 161001s1985 xx 000 0 und d
082 _a636.089 261 G15S
100 _aGanguli,N.C
245 _aSemen technology
260 _aNew Delhi
_bIndian national science academy
_c1985
300 _a130p.
942 _2ddc
_cC
999 _c8778
_d8778