000 00304nam a2200109Ia 4500
008 160710s1961 xx 000 0 und d
100 _aHABELL,K.J.
245 _aPROCEEDINGS OF THE CONFRENCE ON OPTICAL INSTRUMENTS & TECHNICAL
260 _aLONDON
_bCHAPMAN & HALL
_c1961
300 _a520
942 _2ddc
_cB
999 _c29696
_d29696