000 00263 am a2200121 a 4500
100 1 _a
_d
245 1 _aEl mal del guineo
260 _aMayo
_c1920
300 _a1-7 p.
942 _2udc
_cB
440 _aPuerto Rico Agriculture. Circular No. 25
901 _aS49970
999 _c106741
_d106741