00294nam a2200097Ia 4500008004100000082001800041100001800059245008200077260002800159300000900187210430s9999    xx            000 0 und d  a910.02 S893 p  aAlan Strahler  aPhysical Geography Sciece and Systems of The Human EnvironmentcAlan Strahler  aIndiabJohn wileyc2006  a748p