. Funding, Grant Organization(s): (If none skip to question 4.3)

D. J. Farace and J. Frantzen, Four Winds on the Grey Landscape: A Review of Four Information Professionals, their Work and Impact on the Field of Grey Literature, GL5 Conference Proceedings. ? Amsterdam : TextRelease, pp.10-12, 2004.

A. K. Boekhorst, D. J. Farace, and J. Frantzen, Grey Literature Survey 2004: A Research Project Tracking Developments in the Field of GL, GL6 Conference Proceedings. ? Amsterdam : TextRelease, pp.1-9, 2005.

J. Schöpfel, C. Stock, D. J. Farace, and J. Frantzen, Citation Analysis and Grey Literature: Stakeholders in the Grey Circuit, GL6 Conference Proceedings. ? Amsterdam : TextRelease, pp.55-63, 2005.