P. E. Norgren

发表

M. D. Graham, P. E. Norgren, M. Graham, 1980 .

Richard E. Cornell, W. D. Selles, W. W. Doane, 1968 .

S. Levialdi, K. Preston, J. Toriwaki, 1979, Proceedings of the IEEE.

Ashok V. Kulkarni, Philip E. Norgren, Marshall D. Graham, 1981, Pattern Recognit..