Only one of the four significant developments of the year, copyright, is not focused on micro-imaging; the other three--the arrival of ultramicrofiche in libraries, and the microform plans of the Government Printing Office and of the Department of Defense--are all micro''. (106 references) (Author)

The copyright issue and its ramifications for libraries are discussed. The article is broken down into six sections: general review; full-size copying; microform materials; microform equipment; audiovision and facsimile transmission; and, publications, research and professional activities. (176 references) (SM)