00631nam a2200205 a 450000100060000000300080000600500170001400800410003102000180007203500190009004000320010904100080014108200270014910000210017624500580019726000690025530000320032450400510035665000180040767913BD-RjUL20211209081716.0170402s1997    njua     b    001 0 eng d  a9788120314771  a(BD-RjUL)68122  aDLCcDLCdDLCdBD-RjULbeng  aeng00a621.3692223bSHI 19971 aShotwell, Allen.12aAn introduction to fiber optics /cR. Allen Shotwell.  aNew Delhi :bPHI Learning Private Limited,cc1997 [reprint 2010]  ax, 173 p. :bill. ;c24 cm.  aIncludes bibliographical references and index. 0aFiber optics.