National Research Council of Canada & Watkin, J. E. Proceedings of the workshop on Mapping and related applications of computers to Canadian police work: 13-14 April, 1977.
Cita Chicago Style (17a ed.)National Research Council of Canada y John E. Watkin. Proceedings of the Workshop on Mapping and Related Applications of Computers to Canadian Police Work: 13-14 April, 1977. s.l.
Cita MLA (8a ed.)National Research Council of Canada y John E. Watkin. Proceedings of the Workshop on Mapping and Related Applications of Computers to Canadian Police Work: 13-14 April, 1977.
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