VICKERY, Brian creator text 1993 monographic Reviews the various aspects of search interfaces by indicating the requirements that must be met if maximum aid is to be offered to the inexperienced searcher; spelling out the knowledge that must be incorporated in an interface if such aid is to be given; describing some of the solutions that have been implemented in experimental and operational interfaces. Discusses some of the problems encountered. 3/7/00 M2LMGR