schwab,
soil and water conservation engineering: glenn; - 3 - usa: john wiley and sons 1981, - 525, xv. 23
includes index
includes references
0-471-09423-4 (paper back):
o--mutiple authors
soil conservations--water conservation
4 sch 631
soil and water conservation engineering: glenn; - 3 - usa: john wiley and sons 1981, - 525, xv. 23
includes index
includes references
0-471-09423-4 (paper back):
o--mutiple authors
soil conservations--water conservation
4 sch 631