000
00309nam a2200121Ia 4500
008
191031s9999 xx 000 0 und d
100
_a
Broadbent
245
0
_a
Investigation of virus diseases of brassica crops
260
_b
Cambridge university press
260
_c
1957
365
_b
15.75
942
_c
BK
999
_c
194790
_d
194790