ALFALFA DISCOVERY of the MOST METAL-POOR GAS-RICH GALAXY KNOWN: AGC 198691

Alec S. Hirschauer, John J. Salzer, Evan D. Skillman, Danielle Berg, Kristen B W McQuinn, John M. Cannon, Alex J R Gordon, Martha P. Haynes, Riccardo Giovanelli, Elizabeth A K Adams, Steven Janowiecki, Katherine L. Rhode, Richard W. Pogge, Kevin V. Croxall, Erik Aver