Fourteenth International Conference on Grey Literature : Tracking Innovation through Grey Literature, 29‑30 November 2012 at CNR Rome, Italy / compiled by D. Farace and J. Frantzen ; GreyNet, Grey Literature Network Service. Amsterdam : TextRelease, February 2013. – 192 p. – Author Index. – (GL conference series, ISSN 1386-2316 ; No. 14). - CVTISR, EBSCO, FEDLINK-Library of Congress, INIST-CNRS,