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001 Para_256
003 CHAP
008 220125s1929 xx 000 0 und d
010 _a199014
040 _cCHAP
090 _aPA FOLLETO 936
100 _aJohnson, James
_961834
245 _aThe classification of certain virus diseases of the potato /
_c by James Johnson
260 _aMadison, Wisc. :
_b Agricultural experiment station of the University of Wisconsin
300 _a24 p.
410 _aResearch bulletin; 87
650 _aPapa
_x enfermedades por virus
_985231
901 _aPA FOLLETO 936
902 _aA
905 _a0000001929 a 0000000000 00
910 _a1929
942 _cPARA
942 _cPARA
_d1
999 _c199014
_d199014