The identification of bean mosaic, pea yellow mosaic and pea necrosis strains of bean yellow mosaic virus L. BosCz. KowalskaD. Z. Maat OriginalPaper Pages: 173 - 191
An ecophysiological approach to crop losses exemplified in the system wheat, leaf rust and glume blotch A. F. van der WalM. C. Cowan OriginalPaper Pages: 192 - 214