TY  - BOOK
AU  - Anderson, Wood Powell.
TI  - Perennial weeds: characteristics and identification of selected herbaceous species
SN  - 0813825202
U1  - 632.5 
PY  - 1999///
CY  - Iowa, U.S.
PB  - Iowa State University Press
KW  - FitogeografÃ­a
KW  - Malas hierbas
KW  - E.U.A
KW  - EcologÃ­a
KW  - IdentificaciÃ³n
ER  -