000 00569 a2200181 4500
082 _a551
_bC76g
100 _aSilver, Leon T.
245 1 _aGEOLOGICAL IMPLICATIONS OF IMPACTS OF LARGE ASTEROIDS AND COMETS ON THE EARTH
260 _aBoulder
_bGeological Society Of America
_c1982
300 _axix,528
440 _aGeological Society Of America Special Paper
_v190
650 _aCryptoexplosion Structures -- Congresses
650 _aCatastrophes ( Geology) -- Congresses
700 _aSchultz, Peter H.
700 _a
964 _gCIRC
997 _aA86472 C
999 _c465142
_d465142