Rajaa
Hakutulokset: Hakutulos
Rajaa
yksi hakutulos.
New Problems in Astrometry
nidottu,
1974,
englanti,
ISBN 9789027704450
The IAU Symposium No. 61, New Problems in Astrometry, was held in Perth, Western Australia, from 13th to 17th August 1973, under the sponsorship of Com- mission 8 (Positional …