000 00278nam a2200109Ia 4500
008 231004s9999||||xx |||||||||||||| ||und||
041 _aeng
100 _aMuncheryan, Hr and M
_913318
245 0 _aLaser and optoelectronics engineering
260 _bHemisphere
_c1991
942 _cBK
999 _c21838
_d21838