TY - BOOK AU - Kraatz, D.B. AU - Mahajan, I.K. TI - Small hydraulic structures T2 - FAO irrigation and drainage paper; 26/1 SN - 92-5-1001618-X U1 - 627.1 21st ed. PY - 1975/// CY - Rome PB - Food and Agriculture Organization of the United Nations KW - Hydraulic engineering KW - Irrigation engineering ER -