1. Anderson, A. J. & Albersheim, P., 1972. Host-pathogen interactions. V. Physiol. Pl. Path. 2: 339–346.
2. Andeweg, J. M., 1953. Vruchtvuurresistentie bij platglaskkomkommers. Zaadbelangen 7: 252–253.
3. Anonymous. 1975. The proposed FAO international programme on horizontal resistance to crop pests and diseases. AGPP: MISC/19.
4. Ausemus, E. R., 1943. Breeding for disease resistance in wheat, oats. barley and flax. Bot. Rev. 9: 207–260.
5. Bailey, J. A., 1973. Phaseollin accumulation inPhaseolus vulgaris following infection by fungi, bacteria and a virus. pages 337–350. In: R. J. W. Byrde & C. V. Cutting (Eds). Fungal pathogenicity and the plants response. Acad. Press, London, 499pp.