000 00266nam a2200109Ia 4500
008 160710s1960 xx 000 0 und d
100 _aJOHNSON,B.K.
245 _aOPTICS &OPTICALINSTRUMENTS
260 _aNEW YORK
_bDOVER PUB.
_c1960
300 _a224
942 _2ddc
_cB
999 _c30295
_d30295