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ETH Zürich
Untersuchungen über Psylla piri L.und andere Birnblattsaugerarten im Wallis
Degree
thesis:*- Grantor dc:publisher
- ETH Zürich
- Year dc:date.issued
- 1950
Author and committee
dc:creator, dc:contributor.*- Author dc:creator
-
- Wille, Hans Peter
- Contributors dc:contributor
-
- Kobel, Fritz
- Supervisor: Kobel, Fritz
- Schneider-Orelli, Otto
- Supervisor: Schneider-Orelli, Otto
Subjects
dc:subject × 15- BLATTFLÖHE + PSYLLOIDEA (PFLANZENSCHÄDLINGE); STERNORRHYNCHA + PFLANZENLÄUSE (PFLANZENSCHÄDLINGE); BIRNEN + BIRNBÄUME (OBSTBAU); PSYLLIDAE (ZOOLOGIE); KANTON WALLIS (SCHWEIZ); PSYLLOIDS + PSYLLOIDEA (PLANT PESTS); STERNORRHYNCHA AS PLANT PESTS; PEARS + PEAR TREES (FRUIT GROWING); PSYLLIDAE (ZOOLOGY); CANTON OF VALAIS (SWITZERLAND)
- BLATTFLÖHE + PSYLLOIDEA (PFLANZENSCHÄDLINGE)
- info:eu-repo/classification/ddc/590
- STERNORRHYNCHA + PFLANZENLÄUSE (PFLANZENSCHÄDLINGE)
- info:eu-repo/classification/ddc/630
- BIRNEN + BIRNBÄUME (OBSTBAU)
- Zoological sciences
- PSYLLIDAE (ZOOLOGIE)
- Agriculture
- KANTON WALLIS (SCHWEIZ)
- PSYLLOIDS + PSYLLOIDEA (PLANT PESTS)
- STERNORRHYNCHA AS PLANT PESTS
- PEARS + PEAR TREES (FRUIT GROWING)
- PSYLLIDAE (ZOOLOGY)
- CANTON OF VALAIS (SWITZERLAND)
Rights
dc:rights- Statement dc:rights
-
- info:eu-repo/semantics/openAccess
- In Copyright - Non-Commercial Use Permitted
- Language dc:language
- de
Identifiers
dc:identifier.*- Identifier
-
https://doi.org/10.3929/ethz-a-000139357
1895