共 7 条
[1]
NIELSEN LW, 1953, 23 RES B U ID AGR EX
[2]
RIEMAN GH, 1955, 191 RES B U WISC
[3]
RIEMAN GH, 1953, AM POTATO J, V30, P98
[4]
ROBINS J. S., 1956, AGRON JOUR, V48, P488
[5]
TOOSEY R. D., 1962, EUROPEAN POTATO JOUR, V5, P23, DOI 10.1007/BF02367658
[6]
TOOSEY RD, 1960, THESIS U READ
[7]
WHITEHEAD T., 1953, The potato in health and disease. 3rd ed