G. De-tommasi and A. Pironti, An educational open-source tool for the design of IEC 61131-3 compliant automation software, 2008 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, pp.486-491, 2008.
DOI : 10.1109/SPEEDHAM.2008.4581144

M. J. , S. E. , C. Jc, S. F. , and L. C. , Safe controllers design for industrial automation systems, Computers & Industrial Engineering, vol.60, issue.4, pp.635-653, 2011.

F. Schumacher, S. Schröck, and A. Fay, Tool support for an automatic transformation of GRAFCET specifications into IEC 61131-3 control code, 2013 IEEE 18th Conference on Emerging Technologies & Factory Automation (ETFA), pp.486-491, 2008.
DOI : 10.1109/ETFA.2013.6648109

R. David, Grafcet: a powerful tool for specification of logic controllers, IEEE Transactions on Control Systems Technology, vol.3, issue.3, pp.253-268, 1995.
DOI : 10.1109/87.406973

I. Statistique, Qualité des eaux de surface et souterraines dans la ville de Yaoundé et son impact sanitaire, Journal, pp.2-3, 2013.

H. M. Ramos, F. Vieira, and D. I. Covas, Energy efficiency in a water supply system: Energy consumption and CO2 emission, Water Science and Engineering, vol.3, issue.3, pp.1659-1668, 2010.

T. Carla, M. M. Gargano-r, D. G. Kapelan-zoran, . Savic, and G. F. Dragan, Integrated optimal cost and pressure management for water distribution systems, 12th CCWI2013, Procedia Engineering 70, pp.331-340