![Biological factors in deterioration of paper - Facteurs biologiques de deterioration du papier - Il biodeterioramento di libri e documenti](/sites/default/files/styles/220w/public/2018-02/1985_gallo_biological_eng_fra_32419_light-1.jpg?itok=wGA6k3GX)
An introductory survey of the insects and micro-organisms responsible for the deterioration of library materials, illustrated with drawings and photographs of pests and pest-damaged materials, as an aid to identification, discussion of the role of light, temperature and humidity in biological control. Bibliography.