@booklet {rumafalk-asbfpoas2004,
	title = {Average Speed Bumps: Four Perspectives on Averaging Speeds},
	howpublished = {Discussion Papers},
	year = {2004},
	month = {7},
	url = {/files/dp367.pdf},
	author = {Ruma Falk, Avital Lann and Shmuel Zamir}
}
