000 00442pam a2200145a 44500
082 _aNASA
_bTN D-2640 -
100 _aZaretsky,Erwin V, Parker,Richard J
245 1 _aEFFECT OF COMPONENT DIFFERENTIAL HARDNESSES ON ROLLING-CONTACT FATIGUE AND LOAD CAPACITY
260 _a
_bNasa, Washington, D.C.
_c1965
300 _a21
500 _aBound With Nasa Tn D-2631-40
700 _aAnderson,William J
964 _gCIRC
997 _aTR9749 C
999 _c394752
_d394752