TY  - BOOK
AU  - Lothian,G.F.
TI  - Optics and its uses
SN  - 0442300999 (pbk.)
PY  - 1975///
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Digital subscribers lines
KW  - Telecommunications
KW  - Optical instruments
KW  - Optics
N1  - Includes index; Includes bibliographical references
ER  -