Guidelines for the chemical control of plant diseases and nematodes. Washington: Agricultural Research Service, U. S. Dept. of Agriculture, 1972 120 p. : tab.
Guidelines for the chemical control of plant diseases and nematodes. Washington: Agricultural Research Service, U. S. Dept. of Agriculture, 1972 120 p. : tab.
(1972) Guidelines for the chemical control of plant diseases and nematodes, Washington: Agricultural Research Service, U. S. Dept. of Agriculture 120 p. : tab.
(1972). Guidelines for the chemical control of plant diseases and nematodes. Washington: Agricultural Research Service, U. S. Dept. of Agriculture, 120 p. : tab.
Guidelines for the chemical control of plant diseases and nematodes. Washington: Agricultural Research Service, U. S. Dept. of Agriculture; 1972. p. 120 p. : tab.