@book{10430,
	author = {Unesco.},
	title = {New trends in biology teaching /},
	publisher = {Unesco [etc.] ,},
	year = {1971 .1977},
	series = {The Teaching of basic sciences},
	address = { Paris  :},
	note = {Vols. for 1966-71 have parallel title: Tendances nouvelles de l'enseignement de la biologie.}
}