May 2006

Clocchiatti, Alejandro, Schmidt, Brian P, Filippenko, Alexei V, Challis, Peter, Coil, Alison L, Covarrubias, R, Diercks, Alan, Garnavich, Peter, Germany, Lisa, Gilliland, Ron, Hogan, Craig, Jha, Saurabh, Kirshner, Robert P, Leibundgut, Bruno, Leonard, Doug, Li, Weidong, Matheson, Thomas, Phillips, Mark M, Prieto, Jose Luis, Reiss, David, Riess, Adam G, Schommer, Robert, Smith, R. Chris, Soderberg, Alicia, Spyromilio, Jason, Stubbs, Christopher, Suntzeff, Nicholas B, Tonry, John L and Woudt, Patrick (2006) Hubble Space Telescope and Ground-based Observations of Type Ia Supernovae at Redshift 0.5: Cosmological Implications. The Astronomical Journal, 642 (1). ISSN 0004-6256 (print) 1538-3881 (online)