TY  - CHAP
LA  - ger
PY  - 1978
SN  - 3-589-20636-5
TI  - Kooperative Schulsysteme
UR  - https://nbn-resolving.org/urn:nbn:de:0070-bipr-18211
Y2  - 2024-11-22T05:20:33
ER  -