000 00435pam a2200145a 44500
082 _aNASA
_bCR-1252
100 _aHustad,Paul A
245 1 _aFORCE-PENETRATION CHARACTERSTICS A SAND HORIZONTALLY PENETRATED BY PLATES,CONES,AND SPHERICAL SEGMENTS.
260 _a
_bNasa, Washington, D.C.
_c1968
300 _a198
500 _aBound With : Nasa Cr 1251,1253-60.
700 _aCox,William R
964 _gCIRC
997 _aTR11417 C
999 _c397580
_d397580