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Strm̲gren, Elis, 1870-
Lehrbuch der astronomie [microform] / von dr. Elis Strm̲gren ... und dr. Bengt Strm̲gren ... mit 186 abbildungen.
Astronomy.
1933.
Strm̲gren, Bengt, 1908-1987
Kr ger, Frau Lisa,
Catalog