CHP-II: The Carnegie Hubble Program to Measure Ho to 3% Using Population II
Journal article published in 2015 by
Jeffrey Rich,
Wendy L. Freedman,
Barry F. Madore,
Andy Monson,
Victoria Scowcroft 
,
Rachael Beaton ,
Juna A. Kollmeier,
Mark Seibert ,
Soung-Chul Yang,
Giuseppe Bono,
Gisella Clementini,
M.~G Lee,
I.~S Jang
,
Rachael Beaton ,
Juna A. Kollmeier,
Mark Seibert ,
Soung-Chul Yang,
Giuseppe Bono,
Gisella Clementini,
M.~G Lee,
I.~S Jang
