000 00292pam a2200109a 44500
082 _aJPL
_b53
100 _aWilliams,H E
245 1 _aSPHERICAL SHELL SUPPORTED AT ISOLATED POINTS
260 _a
_bJet Propulsion Laboratory, Pasadena, California
_c1961
964 _gCIRC
997 _aTR18277 C
999 _c404361
_d404361