TY  - BOOK
AU  - Zwaluwenburg, R. H.
AU  - Thomas, H. E.
TI  - Some means of controlling insects, fungi, and other pest in Porto Rico
CY  - Mayaguez
PB  -  Porto Rico Agr. Exp. Sta.
KW  - Control de plagas  Fungicidas  Insecticidas
ER  -