Atkin, R H - In: Environment and Planning B: Planning and Design 2 (1975) 1, pp. 21-57
This paper, the third of a sequence, provides illustrations of the theoretical concepts which have been introduced in the previous two papers. Each example points to the need for a hierarchical collection of sets <nobr><I>X</I>, <I>X'</I>,</nobr> <nobr><I>X´´</I>,...,</nobr> where for example <I>X'</I> is a cover of <I>X</I>. At any one level, say the...</i></i></i></i></i></i>