na INLIS000000000002219 0010-0121000585 Special report percolation rates and irrigation eater requirements for the west Pasaman irrigation project (WPIP) [s.l] CBI 1992 i, 41 p. ill ; 29 cm 631.67 631.67 IRIGASI-PASAMAN BARAT PASAMAN BARAT IRIGASI. 3282 3282