000 00345nam a22001457i 4500
001 SXC008317
005 20260819093438.0
008 260101s1900 ii 000 0 eng d
082 _a523 GRA
_222
245 1 0 _aGravity /
_cs.n.
260 _a
_bs.n.,
_c1900
300 _ap. ;
_c22 cm.
650 0 _aDescriptive astronomy
999 _c6970
_d6970