共 9 条
[5]
DAVIES ER, 1984, 4TH P C ROB VIS SENS, P437
[6]
DAVIES ER, 1987, 3RD P ALV VIS C CAMB, P327
[8]
Hough P. V., 1962, U.S. Patent, Patent No. [3069654, 3 069 654, 3,069,654]