00337nam a2200133Ia 4500008004100000041000800041082001900049100001300068245006300081260002200144300000800166365001600174700001300190230718s9999 xx 000 0 und d aeng a621.36'92bKAO aKao C.K. aOptical Fiber Systems bTechnology Design and Applications c1987bMcGraw Hill a204 cRs.b392.00 aKao C.K.