00307nam a2200085Ia 4500008004100000082001700041100002400058245010500082260003400187220204s9999    xx            000 0 und d  a532.546bGRE  aGreenkorn, Robert A 0aFlow phenomena in porous media: Fundamentals and application in petroleum, water and food production  aNew YorkbMarcel Dekkerc1983