How many people are there in winterveld?
ConclusionThe views presented in this paper give an indication of what can be expected from a properly conducted census in Winterveld. Certainly it will indicate a population much smaller than generally expected. Moreover, it brings into the spotlight what could be a general phenomenon: exaggerated informal population levels in South Africa, and, furthermore, it questions the reliability of indirect census survey procedures.
Urbanisation in Africa: lessons for urbanisation in the homelands.

 The author analyzes the socioeconomic and political consequences of urbanization in Africa. Similarities between selected African states and the homelands are investigated with respect to rate of urbanization, adequacy of housing and services, and unbalanced growth. The suitability of Western models and standards for application to Africa's urban development is examined

A new class of numerical sequences and its applications to sine and cosine series
First, it is proved that the class of classical quasi-monotone sequences is not comparable to the newly defined class of sequences of ‘rest bounded variation’. Considering this result, we prove three sample theorems for sequences of rest bounded variation, being analogues of the theorems proved earlier for monotone or quasi-monotone sequences. One of them gives a partial answer to a question raised by R. P. Boas Jr.