TY  - BOOK
AU  - Ponsen, M. B.
TI  - The gut of the red currant blister aphid Cryptomysuz ribis (Homoptera : Aphididae)
T2  - Mededelingen Landbouwhogeschool
PY  - 1977///
CY  - Wageningen
PB  - Veenman & Zonen
KW  - Cryptomyzus ribis
ER  -