The discussion of the gap between theory and practice has a long tradition in educational psychology and especially in research on learning and instruction. Starting with a short analysis of more or less elaborated approaches focusing on this problem, a complex procedure called "integrative research approach", specialized in reducing the gap…

This document outlines the present state of development in mass restoration of library and archive materials and relates it to the economic, technical, and aesthetic aspects of various conservation and restoration methods, and discusses their implications for the formation of preservation policies in libraries. Ill effects to library materials…