Index of plant virus diseases : plant pests of importance to North American Agriculture
U.S. Department of Agriculture
Index of plant virus diseases : plant pests of importance to North American Agriculture U.S. Department of Agriculture. - Washington U.S. Department of Agriculture 1966 - vi, 446 p.; 27cm. - (Agriculture handbook; no. 307) .
581.234 016 US3I
Index of plant virus diseases : plant pests of importance to North American Agriculture U.S. Department of Agriculture. - Washington U.S. Department of Agriculture 1966 - vi, 446 p.; 27cm. - (Agriculture handbook; no. 307) .
581.234 016 US3I