Aung, W. (1972) Fully Developed Laminar Free Convection between Vertical Plates Heated Asymmetrically. International Journal of Heat and Mass Transfer, 15, 1577-1580.
 Nelson, D.J. and Wood, B.D. (1973) Combined Heat and Mass Transfer Natural Convection between Vertical Parallel Plates. International Journal of Heat and Mass Transfer, 32, 1779-1787. https://doi.org/10.1016/0017-9310(89)90059-8
 Chaturani, P. and Biswas, D. (1984) A Comparative Study of Poiseuille Flow of a Polar Fluid Under Various Boundary Conditions with Applications to Blood Flow. Rheologica Acta, 23, 435-445.
 Singh, S.K., Jha, B.K. and Singh, A.K. (1997) Natural Convection in Vertical Concentric Annuli under a Radial Magnetic Field. Heat and Mass Transfer, 32, 399-401.
 Ogulu, A. (2005) On the Oscillating Plate Temperature Flow of a Polar Fluid past a Vertical Porous Plate in the Presence of Couple Stresses and Radiation. International Communications in Heat Mass Transfer, 32, 1231-1243.
 Cheng, C.Y. (2006) The Effect of Temperature-Dependent Viscosity on the Natural Convection Heat Transfer from a Horizontal Isothermal Cylinder of Elliptic Cross Section. International Communications in Heat and Mass Transfer, 33, 1021-1028.
 Cheng, C.Y. (2009) Natural Convection Heat Transfer from a Horizontal Isothermal Elliptical Cylinder with Internal Heat Generation. International Communications in Heat and Mass Transfer, 36, 346-350.
 Patil, P.M. (2008) Effects of Free Convection on the Oscillatory Flow of a Polar Fluid through a Porous Medium in the Presence of Variable Heat Flux. Journal of Engineering Physics and Thermo Physics, 81, 905-922.
 Molla, M.M., Hossain, M.A. and Paul, M.C. (2006) Natural Convection Flow from an Isothermal Horizontal Circular Cylinder in Presence of Heat Generation. International Journal of Engineering Science, 44, 949-958.
 Patil, P.M. and Kulkarni, P.S. (2008) Effects of Chemical Reaction on Free Convective Flow of a Polar Fluid through a Porous Medium in the Presence of Internal Heat Generation. International Journal of Thermal Sciences, 47, 1043-1054.
 Mohamed, R.A., Abo-Dahab, S.M. and Nofal, T.A. (2010) Thermal Radiation and MHD Effects on Free Convective Flow of a Polar Fluid through a Porous Medium in the Presence of Internal Heat Generation and Chemical Reaction. Mathematical Problems in Engineering, 2010, 27. https://doi.org/10.1155/2010/804719
 Ravi, S.K., Singh, A.K. and Alawadhi, K.A. (2011) Effect of Temperature Dependent Heat Source/Sink on Free Convective Flow of a Micropolar Fluid between Two Vertical Walls. International Journal of Energy and Technology, 3, 1-8.