TY - BOOK AU - Fox, R.A. ed. AU - Hughes, J.C., ed. AU - Muller, K., ed. AU - Umaerus, Magnhild, ed. AU - van der Zaag, Ir D.E., ed. TI - Potato Research v.27, 1984 PY - 1984/// CY - Wageningen PB - European Association for Potato Research ER -