00764nam0-22002891i-450-990000012600403321000001260FED01000001260(Aleph)000001260FED0100000126020011111d--------km-y0itay50------baitay-------001yyPhysical opticsR. A. Houston.LondonBlackie and son limited1957300 p.ill.22 cmOttica535Houstoun,Robert Alexander<1883- >1034ITUNINARICAUNIMARCBK99000001260040332113 B 32 0422886FINBCFINBCPhysical optics108266UNINAING01