TY  - BOOK
AU  - Mark, Hans:Silveira, Milton:Yarymovych, Michael I
TI  - Encyclopedia of space science and technology;vol - i
SN  - 0-471-32408-6
U1  - 500.503 ENC 
PY  - 2003///
CY  - NEW YORK
PB  - JOHN WILEY & SONS
KW  - SPACE SCIENCE ENCYCLOPEDIA
ER  -