@book{82704,
	title = {Laminar flow heat transfer in the thermal entrance region offlat and profiled ducts.},
	publisher = {H.Veenman and Zonen N.V.},
	year = {1968},
	series = {Mededelingen Land bouwhogeschool, Wageningen, 68-18(1968)},
	address = {Wageningen}
}