02a0019781;0-582-07811-3;¥627.02;20011205d1994 ekmy0engy01;eng;a z 000yy;r;A Method for computing unsteady flows in porous media;R. Raghavan and E. Ozkan;Harlow;Longman Scientific & Technical;1994;118 p.;ill;Pitman Research Notes in Mathematics Series;318;2252;aPitman Research Notes in Mathematics Series ; v318;多孔隙介质中非稳定流的计算方法;a626:492.55;Raghavan ; Ozkan;R. ; E.;101;457410;626:492.55;R12;r¥627.02;a07;b1