TY  - GEN
AU  - Woszczyk, A. 
AU  - Iwaniszewska, C.
TI  - Exploration of the planetary system: symposium no. 65 (Copernicus Symposium IV) held in Toruń, Poland, 5-8 September, 1973 
U1  - 523.406 
PY  - 1974///
CY  - Dordrecht
PB  - D.Reidel Publishing Co.
KW  - Planets
ER  -