00409    a2200109   4500020001500000082001900015100001700034245009100051260005700142300003900199650006100238  a1853121290  a333.910028 SAR  aSari, D. Ben  aGroundwater Modelling and Pressure Flow [vol 1]cD. Ben Sari, C. A. Brebbia, D. Ouazar  aBoston :bComputational Mechanics Publicationsc1991  a374p. :bill .,  graphs., ;c23 cm  aNatural Resources -- Water, Management, Use of Computers