The potato crop : the scientific basis for improvement / edited by Paul M. Harris. - 2nd ed. - London ; New York : Chapman & Hall, 1992. - xvii, 909 p. :ill., maps ; Hbk - World crop series . ISBN: 0442314531 (USA) Subjects--Topical Terms: Potatoes. LC Class. No.: SB211.P8 / P775 1992 Dewey Class. No.: 635/.21