000 00385pam a2200133a 44500
082 _aNASA
_bCR-1140
100 _aHeyda,J F
245 1 _aPLATE-GAP MODEL OF A POROUS SOLID AND ITS APPLICATION TO IMPACT BY REDUCED DENSITY PROJECTILES
260 _a
_bNasa, Washington, D.C.
_c1968
300 _a38
500 _aBound With Nasa Cr-1136-1139
964 _gCIRC
997 _aTR13421 C
999 _c398099
_d398099