Women in Numbers 2 : research directions in number theory : BIRS Workshop, WIN2 - Women in Numbers 2, November 6-11, 2011, Banff International Research Station, Banff, Alberta, Canada - David, Chantal, 1964-; Lalín, Matilde, 1977-; Manes, Michelle, 1970- (Contemporary mathematics (American Mathematical Society) ;, 2013)