000
00254nam a22001097a 4500
003
OSt
100
_a
Willcox.J
245
_a
Fungal Parasitism in cysts of heterodera 1.Preliminary investigations
700
_a
Tribe.H.T
901
_a
RP1967
942
_2
ddc
_c
RP
999
_c
8768
_d
8768