TY  - BOOK
AU  - Wassink, E. C.
TI  - Some recent observations on Digitalis purpurea L. f. Heptandra de Chamisso
T2  - Mededelingen Landbouwhogeschool
PY  - 1972///
CY  - Wageningen
PB  - Veenman & Zonen
KW  - Digitalis purpurea
ER  -