title: Vervet monkeys as travelling salesmen.
authors.forename: A E
authors.initials: AE
authors.lastname: Cramer
authors.forename: C R
authors.initials: CR
authors.lastname: Gallistel
mesh_terms: D000818:Animals; D002522:Chlorocebus aethiops / Q000502:physiology* / Q000523:psychology; D003198:Computer Simulation; D005260:Female; D008606:Mental Processes