@book{UBHD-67367142, editor={Sadler, D. H.}, year={1962}, pages={VIII, 579 S.}, language={eng}, number={ARRAY(0x55cc4dfa7468)}, series={Transactions of the International Astronomical Union}, library={AR [Signatur: PY/US 1092-11] ; LS [Signatur: LS/US 1092-11]}, }