TY  - RPRT
TI  - Cosmos, an international center for advanced studies
AU  - Ryzhov, Iurii
AU  - Alifanov, Oleg
AU  - Sadin, Stanley
AU  - Coleman, Paul
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19910029538
ID  - 19910029538
ER  -