Report for the year 1886-7, presented by the board of managers of the observatory of Yale university - detaljert visning

Report for the year 1886-7, presented by the board of managers of the observatory of Yale university to the president and fellows

Yale university observatory
Bok Engelsk 1887


Utgitt	[New Haven, Conn.] , [1887]
Emner	Yale university observatory : (NO-TrBIB)90243229