TY  - BOOK
AU  - Dick, S. J., ed.
AU  - Fiala, A. D., ed.
TI  - Nautical almanac office sesquicentennial symposium: proceedings of conference held at U.S Naval Observatory, Washington, D.C., U.S.A., March 3-4, 1999
PY  - 1999///
CY  - Washington, D. C.
PB  - U. S. Naval Observatory
KW  - almanac
ER  -