The depths of space : the story of the Pioneer planetary probes
| [S.l.] : The Joseph Henry Press
The book recounts the long overdue history of Pioneer both as a scientific and technological achievement and as the story of the exceptional poeple who made the program possible.
Pioneering Venus : a planet unveiled
Richard O. Fimmel ;
Lawrence Colin ;
| [S.l.] : National Aeronautics and Space Administration