000
00320nam a2200109Ia 4500
008
220204s9999 xx 000 0 und d
082
_a
581.2:633.491
_b
ELZ
100
_a
ELZARKA, A M
245
0
_a
Studies on rhizoctonia solani kuhn, the case of the black scurf disease of potato
650
_a
Potato disease
942
_c
BK
999
_c
22197
_d
22197