ARCHIVE OF THE AMATEUR OBSERVATION NETWORK OF THE INTERNATIONAL  HALLEY WATCH... NASA-CR-203574... APR. 11, 1997.
Contributors: United States. National Aeronautics and Space Administration.
Publisher: s.n.
Published: 1999
Place of publication: [S.l
Language: eng
Notes: Shipping List #: 99-0124-M.

Shipping List Date: 12/21/98.