000 00603 a2200253 4500
001 50134
020 _a7-80003-061-X1
041 _aeng
080 _a535.8:621.793 Opt:89
245 _aOptical coatings : proceedings of international symposium, Shanghai, China, 23-25 May, 1989 / edited by Tang Jinfa and Yan Yixun
250 _a
260 _aBeijing
260 _bInternational Academic Pub.,
260 _c1989
300 _axi,347 p.
300 _c27 cm
490 _a
100 _a
700 _a
650 _a
650 _aOptical coatings-Congresses
942 _cBK
942 _2UDC
999 _c76149
_d76149