@techreport{repORt:2011-003,
	author = {M. L\"{u}bbecke and C. Puchert},
	title = {Primal Heuristics for Branch-and-Price Algorithms},
	institution = {Operations Research, RWTH Aachen University},
	year = {2011},
	type = {repORt},
	number = {2011--003},
	month = {Nov}
}