@article{RLIN_1993_9_4_3_a8,
     author = {Richardson, Lorna and Straughan, Brian},
     title = {Convection with temperature dependent viscosity in a porous medium: nonlinear stability and the {Brinkman} effect.},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni},
     pages = {223--230},
     publisher = {mathdoc},
     volume = {Ser. 9, 4},
     number = {3},
     year = {1993},
     zbl = {0801.76035},
     mrnumber = {1291193},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLIN_1993_9_4_3_a8/}
}