TY  - BOOK
AU  - Ordway,Frederick I.
TI  - Pictorial guide to planet Earth
SN  - 0690621930
AV  - QB631 .O72
U1  - 910/.02 
PY  - 1975///]
CY  - New York
PB  - Crowell
KW  - Artificial satellites
KW  - Earth (Planet)
N1  - Includes index; Bibliography: p. 177-181
ER  -