1. E.J. Le FEVRE, Laminar free convection from a vertical plane surface. Ninth Intern. Congr. Appl. Mech., Brussels, paper I 168, Vol. 4, 168–173 (1956).
2. H.SCHUH, Boundary layers of temperature, Resp. and Trans. 1007, AVA Monographs, British M.A.P. (1948).
3. S.OSTRACH, An analysis of laminar free-convection flow and heat transfer about a flat plate parallel to the direction of the generating body force. N.A.C.A. 1111 (1953).
4. H.K.KUIKEN, Perturbation techniques in free convection. Doctoral Thesis, Techn. Univ. Delft (1967).
5. P.S.LYKOUDIS, Natural convection of an electrically conducting fluid in the presence of a magnetic field. Int. J. Heat Mass Transfer5, 23–34 (1962).