TY - BOOK AU - Mackerron,D.K.L. ED - Potato Research Symposium of the V.O.P.R.I TI - Potato research symposium of the V.O.P.R.I. in collaboration with NP CO and the potato board 1-2 August 1989 : : quantified responses of th e potato crop of water-stress / U1 - 641.3521 POT PY - 0000/// [n.d.] CY - [s.l.] : PB - [s.n.], KW - Potatoes KW - Congresses ER -