00720cam a22002531 4500 agr50000452 DLC 20260227111013.0 810815s1950 xx 000 0 eng agr50000452 (OCoLC)852000 DLC DNLM MBNU OCoLC DLC premarc SB736 .B3 1950 SB 736 B354p 1950 632.3 Bawden, Frederick Charles. Plant viruses and virus diseases. 3d entirely rev. ed. Waltham, Mass. Chronica Botanica Co., 1950. xiv, 335 p. ill. New series of plant science books, v. 23 Virus diseases of plants. 11192 11192