@book{ BA04210825, author = "伊沢, 達夫 and 須藤, 昭一 ", title = "Optical fibers : materials and fabrication", publisher = "KTK Scientific Publishers,D. Reidel Pub. Co.,Sold and distributed in the U.S.A. and Canada by Kluwer Academic Publishers", year = "1987", series = "Advances in optoelectronics", number = "1", URL = "https://ci.nii.ac.jp/ncid/BA04210825" }