01261cam a22002897a 4500001000800000005001700008007001400025008004100039035001200080037002100092040002300113074001900136086002000155091000800175100002100183245021200204260009900416300000900515490002200524500005500546533010900601650002500710710006700735740008900802830004600891984003400937404188720150706105713.0he bmb---bbca920805r1988 mou b f000 0 eng d a4041887 aN 89-10129bNASA aGPObengcGPOdDLC a0830-H-14 (MF)0 aNAS 1.26:180225 amfm1 aMiller, James G.10aPhysical principles of ultrasonic non-destructive evaluation of advanced compositesh[microform] :bsemiannual progress report, March 15, 1988 - September 14, 1988 /cprinciple investigator: James G. Miller. aSt. Louis, Mo. :bWashington University, Dept. of Physics, Laboratory for Ultrasonics,c[1988] a1 v.1 aNASA-CR ;v180225 aDistributed to depository libraries in microfiche. aMicrofiche.b[Washington, D.C.? :cNational Aeronautics and Space Administration],d1988.e1 microfiche. 0aComposite materials.1 aUnited States.bNational Aeronautics and Space Administration.0 aPhysical principles of ultrasonic non destructive evaluation of advanced composites. 0aNASA contractor report ;vNASA CR-180225. aANLcmc SUDOC NAS 1.26:180225