A locational index for the 1971 kilometre-square population census data for Great Britain (1977)
Preprint / Working Paper
Visvalingam, M. (1977). A locational index for the 1971 kilometre-square population census data for Great Britain

The effects of the size of areal units on ratio and chi-square mapping (1977)
Preprint / Working Paper
Visvalingam, M., & Dewdney, J. (1977). The effects of the size of areal units on ratio and chi-square mapping

A select bibliography of Yemen Arab Republic and Peoples' Democratic Republic of Yemen (1977)
Preprint / Working Paper
Mondesir, S. L. (1977). A select bibliography of Yemen Arab Republic and Peoples' Democratic Republic of Yemen