@article {44153,
	title = {Reclamation and regeneration of landscapes after brown coal opencast mining in six different countries. 5. Development of lakes in Alberta, Canada. In : Remediation of abandoned surface coal mining sites, by Alena Murdoch, Ulrich Stottmeister, Christopher},
	year = {2002},
	pages = {21-32},
	institution = {Springer}
}
