Teleskop SBS Astronomical Venus 1000 MMA | Acheter sur Ricardo
25 YEARS AFTER THE DISCOVERY: SOME CURRENT TOPICS ON LENSED QSOs Santander (Spain), 15th-17th December 2004 Photometric monitoring of SBS : long-term. - ppt download
QSOs and Twin Quasar Q0957+561
QSOs and Twin Quasar Q0957+561
25 YEARS AFTER THE DISCOVERY: SOME CURRENT TOPICS ON LENSED QSOs Santander (Spain), 15th-17th December 2004 Photometric monitoring of SBS : long-term. - ppt download