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ETH Zürich

Untersuchungen über Psylla piri L.und andere Birnblattsaugerarten im Wallis

dc:creator Wille, Hans Peter

dc:date1950

Degree

thesis:*

Grantor dc:publisher: ETH Zürich
Year dc:date: 1950

Author and committee

dc:creator, dc:contributor.*

Author dc:creator: Wille, Hans Peter
Contributors dc:contributor: Kobel, Fritz
Schneider-Orelli, Otto

Subjects

dc:subject × 5

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)
info:eu-repo/classification/ddc/590
info:eu-repo/classification/ddc/630
Zoological sciences
Agriculture

Rights

dc:rights

Statement dc:rights: info:eu-repo/semantics/openAccess

In Copyright - Non-Commercial Use Permitted
Licence: http://rightsstatements.org/page/InC-NC/1.0/
Language dc:language: de

Identifiers

dc:identifier.*

Identifier: https://doi.org/10.3929/ethz-a-000139357
OAI identifier oai:identifier: oai:www.research-collection.ethz.ch:20.500.11850/136204

Chain of custody

source

Harvested from: ETH Zürich
Base URL: www.research-collection.ethz.ch/oai/request
Last updated: 2026-07-27
Source record: OAI-PMH GetRecord

related terms

citation

Wille, Hans Peter. Untersuchungen über Psylla piri L.und andere Birnblattsaugerarten im Wallis. ETH Zürich, 1950. http://hdl.handle.net/20.500.11850/136204

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