@book {2109,
	title = {Early stages in the evolution of human behavior : the adaptive significance of stone tools},
	year = {1983},
	note = {1937-1985door Glynn Isaacill. ; 22 cm"Gehouden voor de Stichting Nederlands Museum voor Anthropologie en Praehistorie},
	pages = {32 p., 13 p. of plates},
	publisher = {s.n},
	organization = {s.n},
	address = {[S.l},
	keywords = {Africa Antiquities, Lower Africa, Paleolithic period, Prehistoric, Tools},
	author = {Isaac, Glynn Llywelyn}
}
