Canadian Symposium on Mining Surveying and Rock Deformation Measurements Fredericton, N.B., Canadian Institute of Surveying, University of New Brunswick. Department of Surveying Engineering, & National Advisory Committee on Control Surveys and Mapping (Canada). (1970). Proceedings of the First Canadian Symposium on Mining Surveying and Rock Deformation Measurements, October 22-24, 1969. Canadian Institute of Surveying.

Canadian Symposium on Mining Surveying and Rock Deformation Measurements Fredericton, N.B., Canadian Institute of Surveying, University of New Brunswick. Department of Surveying Engineering, и National Advisory Committee on Control Surveys and Mapping (Canada). Proceedings of the First Canadian Symposium on Mining Surveying and Rock Deformation Measurements, October 22-24, 1969. Fredericton, N.B.: Canadian Institute of Surveying, 1970.

Canadian Symposium on Mining Surveying and Rock Deformation Measurements Fredericton, N.B., et al. Proceedings of the First Canadian Symposium on Mining Surveying and Rock Deformation Measurements, October 22-24, 1969. Canadian Institute of Surveying, 1970.