The Longitude of the Mizusawa International Latitude Observatory
水沢の経度について

Sigetugu TAKAGI, Genkichi MURAKAMI
1959 Journal of the Geodetic Society of Japan  
The redetermination of the longitude of Mizusawa was pursued at Mizusawa Observa
doi:10.11366/sokuchi1954.5.37 fatcat:p5yol7iumnbydpngnn465wj34u