TY  - GEN
AU  - Maraldi,U
TI  - [Past and future of astronautics]
SN  - 0026-4806
PY  - 1971///0713
KW  - History, 19th Century
KW  - History, 20th Century
KW  - Space Flight
KW  - history
N1  - Publication Type: Historical Article; Journal Article
ER  -