Successful irrigation;

Hagan, Robert Mower, 1916-

Successful irrigation; planning, development, management [by] Robert M. Hagan, Clyde E. Houston [and] Stephen V. Allison. - Rome, Food and Agriculture Organization of the United Nations, 1968. - 53 p. illus. 28 cm.

9251004595

77505519

630.9 22