@article{Tsur2003,
	title = {Optimal transition to backstop substitutes for nonrenewable resources},
	author = {Yacov Tsur and Amos Zemel},
	journal = {Journal of Economic Dynamics and Control},
	month = {Feb},
	number = {4},
	pages = {551--572},
	url = {http://www.sciencedirect.com/science/article/B6V85-4724Y30-3/1/0c8c0035b79355c6a8f9592c4215bd01},
	volume = {27},
	year = {2003},
	biburl = {http://www.bibsonomy.org/bibtex/251821d989504a7f453f6acb1c372fa76/smicha},
	keywords = {Nonrenewable resources }
}