TY  - BOOK
AU  - Cowgill,William Henry
TI  - Studies on the germination, early seedling growth and nutrition of Cinchona
U1  - 583.93583.93 
PY  - 1944///
CY  - College Park, Maryland, USA
PB  - University Maryland
KW  - Chichona
KW  - Seeds
KW  - Semillas
N1  - Incluye bibliografía
N2  - Ph. D. Thesis, University Maryland
ER  -