English: Signature of Liisi Oterma from a certificate of employment she signed on 1978/05/31 while working as professor of astronomy at the University of Turku.
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Captions
Signature of Liisi Oterma, scanned from a certificate of employment she signed on 1978/05/31
Liisi Oterman allekirjoitus, luettu työtodistuksesta jonka hän allekirjoitti 31.5.1978