1. Über Flussigkeitsbewegun bei sehr kleiner Reibung;Prandtl,1904
2. Laminar free convection from a vertical plate with uniform heat flux;Sparrow;Trans. Am. Soc. Mech. Engrs,1956
3. Free convection of a low Prandtl number fluid in contact with a uniformly heated vertical plate;Chang;Argonne National Laboratory ANL-1835,1964
4. First-order perturbations of laminar free convection boundary layers on a vertical plate;Yang;J. Heat Transfer,1964