TY - GEN AU - Greenberg, Joel S. AU - Hertzfeld, Henry. CN - QB500.25 CY - Washington, D.C. : DA - 1992. ID - 480145 KW - Astronautics LK - https://univsouthin.idm.oclc.org/login?url=http://site.ebrary.com/lib/usiricelib/Doc?id=10516707 PB - American Institute of Aeronautics and Astronautics, PP - Washington, D.C. : PY - 1992. T1 - Space economics TI - Space economics UR - https://univsouthin.idm.oclc.org/login?url=http://site.ebrary.com/lib/usiricelib/Doc?id=10516707 VL - v. 144 ER -