Boelema, B. Bacterial blight (Pseudomonas pisi Sackett) of peas in South Africa, with special reference to frost as a predisposing factor. Wageningen: 1972 88 p. : ill.
Boelema, B. Bacterial blight (Pseudomonas pisi Sackett) of peas in South Africa, with special reference to frost as a predisposing factor. Wageningen: 1972 88 p. : ill.
Boelema, B. (1972) Bacterial blight (Pseudomonas pisi Sackett) of peas in South Africa, with special reference to frost as a predisposing factor, Wageningen: 88 p. : ill.
Boelema, B. (1972). Bacterial blight (Pseudomonas pisi Sackett) of peas in South Africa, with special reference to frost as a predisposing factor. Wageningen: 88 p. : ill.
Boelema B. Bacterial blight (Pseudomonas pisi Sackett) of peas in South Africa, with special reference to frost as a predisposing factor. Wageningen: 1972. p. 88 p. : ill.