@book{41081,
	author = {Lerner, Abba Ptachya and Ben-Shahar, Haim},
	title = {The economics of efficiency and growth},
	publisher = {Ballinger Pub. Co.},
	year = {[1975]},
	address = {Cambridge, Mass.},
	note = {Based on the authors' Kalkalah yeʻilah.}
}