(1991). Advanced-technology space station study: Summary of systems and pacing technologies / A.J. Butterfield [and others].
Chicago-čujuhus (17. p.)Advanced-technology Space Station Study: Summary of Systems and Pacing Technologies / A.J. Butterfield [and Others]. 1991.
MLA-čujuhus (9. p.)Advanced-technology Space Station Study: Summary of Systems and Pacing Technologies / A.J. Butterfield [and Others]. 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.