Fiber Optic Communications: Palais, Joseph: 9780130085108,Fiber-Optic Communication Systems (Wiley Series in Microwave,Fiber Optic Communication Systems, 4Th Edition [Paperback,Fiber-Optic Communication Systems: Agrawal, Govind P,41LsF2nqcSL._AC_SY200_QL15_.jpg,読むとこ読んだので出品汚れはあんまりないが表紙に折れがある。書き込み見た感じなし情報工学分野