The 2012 Hubble Ultra Deep Field (UDF12): Observational Overview

Anton M. Koekemoer, Richard S. Ellis, Ross J. McLure, James S. Dunlop, Brant E. Robertson, Yoshiaki Ono, Matthew A. Schenker, Masami Ouchi, Rebecca A. A. Bowler, Alexander B. Rogers, Emma Curtis-Lake, Evan Schneider, Stephane Charlot, Daniel P. Stark, Steven R. Furlanetto, Michele Cirasuolo, V. Wild, T. Targett