@booklet {stavins_market-based_1991,
	title = {Market-Based Strategies for Environmental Protection: A Tribute to Senator John Heinz of Pennsylvania, Forum Proceedings, May 16, 1991.},
	year = {1991},
	note = {F-7},
	month = {sep},
	publisher = {CSIA, Harvard Kennedy School},
	type = {Discussion Paper},
	author = {Robert N. Stavins}
}
