المراجع الاجنبية

 David Keith Todd, Larry W. Mays. 2004. Groundwater Hydrology. John Wiley & Sons; 3 edition.

   James B. Rishel. 2002. Water Pumps and Pumping Systems. McGraw-Hill Professional; 1st edition.

   Igor J. Karassik, Joseph P. Messina, Paul Cooper, Charles C. Heald. 2000. Pump Handbook: Third Edition. McGraw-Hill Professional; 3rd edition.