A generalised network adjustment and its applications
Greggor, K.
A generalised network adjustment and its applications - 1991 - South African Journal of Surveying and Mapping 21(3) December 1991, 135-138(4) .
A generalised network adjustment and its applications - 1991 - South African Journal of Surveying and Mapping 21(3) December 1991, 135-138(4) .