@inbook{1293, author = {M.M. Yovanovich and C.A. Vanoverbeke}, title = {Combined Natural and Forced Convection Heat Transfer from Isothermal Spheres}, year = {1988}, journal = {AIAA Thermophysics, Plasmadynamics and Lasers Conference}, pages = {1-7}, publisher = {AIAA Paper No. 88-2618}, address = {San Antonio, TX}, }