00291nam a2200109Ia 450000500170000000800410001708200140005810000180007224500420009026000410013230000080017320260224040931.0260224s9999||||xx |||||||||||||| ||und||  a631.7 MUR  aMurty, V.V.N. 0aLand and water management engineering  aLudhiana: Kalyani Publicationsc2004  a594