共 7 条
[1]
BAKER KF, 1957, 23 CAL AGR EXPT STA
[2]
BRAKKE MK, 1964, PHYTOPATHOLOGY, V54, P889
[4]
GESSLER ALBERT E., 1956, TRANS NEW YORK ACAD SCI, V18, P701
[6]
NECROTIC YELLOWS - A NEWLY RECGONIZED VIRUS DISEASE OF LETTUCE
[J].
AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH,
1963, 14 (04)
:439-&
[7]
WATSON MA, 1939, P ROY SOC, VB127, P543