TY - BOOK AU - Nicks,Oran W. TI - Far travelers: the exploring machines T2 - NASA SP AV - TL795.3 .N53 1985 U1 - 629.43/5 19 PY - 1985/// CY - Washington, D.C. PB - Scientific and Technical Information Branch, National Aeronautics and Space Administration, For sale by the Supt. of Docs., U.S. G.P.O. KW - Space probes KW - Local ER -