Weeding of collections in sci-tech libraries / Ellis Mount, editor. Mount, Ellis. Science and technology libraries Collection development. Discarding of books, periodicals, etc. Z675.T3 W43 1986 025.21865 MOW "Published as Science & technology libraries, volume 6, number 3, Spring 1986." Includes bibliographies. New York : Haworth Press, c1986. c1986. 1986 Text xi, 164 p. : http://www.loc.gov/catdir/enhancements/fy0810/85027010-d.html eng