TY - GEN AU - ADAMS, M. J. TI - SEMICONDUCTOR LASERS FOR LONGWAVE LENGTH OPTICAL - FIBRE COMMUNICATIONS SYSTEMS/ T2 - SER. MATERIALS AND DEVICES SN - 0-86341-109-6 U1 - 621.3661 S46 PY - 1987/// CY - ENGLAND: PB - PETER PEREGRINUS KW - 1.SEMICONDUCTORES LASER ER -