000 003640000a22001450004500
008 151029t1981 xxu||||| |||| 00| 0 eng d
020 _a0471279692
041 _aeng
080 _a621.391
_bA3
942 _cBK
100 _aAdams, M.J.
245 _aAn Introduction to optical waveguides
260 _aChichester
_bJohn Wiley
_c1981
300 _axv, 401p. : ill.
999 _c141722
_d141722