Michael Èfroimsky

US Naval Observatory
3450 Massachusetts Avenue NW
US Washington DC 20392 USA
United States

Phone: +1 202 762 1085
Fax: +1 202 762 1612
Email: MichaelEfroimskyusnonavymil
Personal website: http://www.ima.umn.edu/~efroimsk/

Last updated:
July 7, 2011