2018-12-192018-12-191974-09-04https://hdl.handle.net/2152.3/11022A contract modification from NASA to Whitmore Enterprises regarding Inspection and Acceptance of the treadmill prototypeDr. William Thorntonresearchexercisetreadmillcontract modificationWhitmore EnterprisesNASATreadmill_71-81_1_AmendmentContract_09.04.74