TY  - BOOK
AU  - Heusser,Calvin
TI  - Pollen and spores of Chile: modern types of the Pteridophyta, Gymnospermae and Angiopermae 
U1  - 581.46 
PY  - 1971///
CY  - Tucson
PB  - University of Arizona Press
KW  - ANGIOSPERMAS
KW  - BOTANICA
KW  - EMBRIOLOGIA
KW  - GIMNOSPERMAS
KW  - POLEN
KW  - Chile
ER  -