By Hemmig William   in Journal of Documentation

ISSN:0022-0418|65|4|682-703

Emerald Group Publishing Ltd‎(2009)‎

Access to resources Favorite 19.415966

By Hemmig William   in Reference Services Review

ISSN:0090-7324|33|1|66-87

Emerald Group Publishing Ltd‎(2005)‎

Access to resources Favorite 19.415966

By Hemmig William S.   in Journal of Documentation

ISSN:0022-0418|64|3|343-362

Emerald Group Publishing Ltd‎(2008)‎

Access to resources Favorite 15.532772