%0 Book %A Douglas, J. %E Douglas, J. %I Birkhäuser %D 1993 %C Basel %G englisch %B International series of numerical mathematics ; %@ 9780817629496 %@ 0817629491 %@ 9783764329495 %@ 3764329491 %T Flow in porous media: conference: proceedings : Oberwolfach, 21.06.92-27.06.92.