1. A heterarchy of values determined by the topology of nervous nets
2. A Model of the Vertebrate Central Command System;W L Kilmer;International Journal of Man-Machine Studies,1969
3. Studies on Child Language and Aphasia
4. I elaborate on that scheme primarily in endnote 3, but also endnote 11 and section 6.3 of "Culture as an Evolutionary Arena" 3;Journal of Social and Evolutionary Systems,1993