025.1 Bra Q Braden, Irena A Quantitative methods in librarianship : standards, research, management / Irene A. Braden and Alice S. Clark. --/s.l/ : /s.n./, 1969. 317 p. ; 28 cm ''Proceedings and paper of an HEA Institute in librarianship. August 3-16, 1969''.