TY - GEN PB - Verlag von L. v. Vangerow CY - Bremerhaven L2 - http://ww.bibliotekacyfrowa.pl/Content/96684 PY - 1889 KW - spherical astronomy KW - theoretical astronomy UR - http://ww.bibliotekacyfrowa.pl/dlibra/publication/edition/96684 ER -