Countersinking handbook / LaRoux Gillespie. Gillespie, L. K. (LaRoux K.) Drilling and boring Handbooks, manuals, etc. TJ1260 .G525 2008 621.952 22 GIC Includes bibliographical references and index. New York : Industrial Press, c2008. c2008. 2008 Text ix, 353 p. : http://www.loc.gov/catdir/toc/ecip086/2007049672.html eng