TY  - GEN
DA  - 1921-06-30
PY  - 1921-06-30
TI  - Albert Einstein an Vaihinger, 30.6.1921, Ts. mit eU, Regest in: https://einsteinpapers.press.princeton.edu/vol12-doc/539
UR  - https://nbn-resolving.org/urn:nbn:de:hbz:468-edhv2025-001422-4
Y2  - 2026-02-01T05:53:45
ER  -