<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>10</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Drias Tarek</style></author><author><style face="normal" font="default" size="100%">Toubal Ahmed Chérif</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Hydrodynamical characterization of a heterogeneous aquifer system under semi-arid climate Example of the plain of  Tébessa </style></title><secondary-title><style face="normal" font="default" size="100%">The First international symposium of the petroleum and geological resources in the tethys realm. Cairo, Egypt</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2009</style></year></dates><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>