AVM Vladimir Agapov, net postings AWST Aviation Week Barensky Stefan Barensky, personal communication CCMOPS Cape Canaveral historical records CNES32 CNES history book ESAPR ESA press release Energiya Energiya history book ExpInOrbit Explorers In Orbit, MSFC, 1960 GWU George Washington Univ. Grahn-WWW Sven Grahn's web page Henderson B. Henderson, personal comm ISIR Intl. Space Industry Report JBIS Journal of the BIS JG J. Geiger, VAFB History Office JPL JPL technical reports Jupiter Jupiter history, Redstone Arsenal KHR-1 KSC Historical Report-1 KIAM Vladimir Agapov's web page at KIAM LAAFB Los Angeles AFB history office LR Lompoc Record newspaper Lissov Igor Lissov, personal comm. MIR Chris van den Bergh's Mir News MSFCFLASH NASA MSFC STS flash report McDonald-B B. McDonald, personal comm. Morton Morton, Fire across the Desert (Woomera history) NASA-TM NASA Tech Memo NezavB Nezav. Baykonur NK Novosti Kosmonavtiki NOTS NOTS satellite program files, NASM NRO National Reconnaissance Office declassified archives NYT New York Times Ransom Martin Ransom, personal comm. PER National Reconnaissance Office declassified archives PH Peter Hunter, personal comm. POES-WWW POES web site PR/AE Arianespace press release Petrov71 G. Petrov, Soviet Space Research 1967-1970 RAE Launch time estimated to 0.01 day from RAE tables Rosenberg J. Rosenberg, personal comm Rothmund C. Rothmund, Europa et Cora. SAC7383 SAC-7383, DMSP launch history SP NASA special publication STSJSC NASA-JSC Shuttle records Seesat-L Seesat-L email list Sergeev96 Sergeev, Plesetsk press release Stein K. Stein, personal comm. TASS TASS wire service TLE Estimated from orbital data Thor Arms, 1972, History of the Thor Tiziou J. Tiziou, personal comm. VCR Vandenberg Launch Commanders Reports, declassified. VSA Sergey Voevodin, net postings WWW-FAST FAST web page WWW-NASDA NASDA web page Wire Wire stories (AP, Reuter, TASS etc)