000 00348pam a2200145a 44500
082 _a535.81
_bSe4t
100 _aSelwyn, Edward William Herbert
245 1 _aTHEORY OF LENSES
260 _aLondon
_bInstitute Of Physics
_c1955
300 _a62
440 _aMonographs For Students
_v
650 _aLenses
964 _gCIRC
997 _a4018 C
999 _c430118
_d430118