text Groningen Rijk Universiteit te Groningen 1902 Ind 182 p.; 21 cm. 182 p.; 21 cm. SCHOUTE, J.C. ASTRONOMY 523.87 523.87SCHs INLIS000000000011527 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)