%0 Generic %T Government policy and practice with respect to contracts for technical services : hearings before the Committee on Government Operations, United States Senate, Ninetieth Congress, first session, March 22, April 13, 14 and 17, 1967. %U https://ezaccess.libraries.psu.edu/login?url=https://www.heinonline.org/HOL/Page?handle=hein.cbhear/cbhearings0682&id=1&size=2&collection=congrec&index=alpha/G_cbhear