000 00312nam a2200121Ia 4500
008 120216s9999 xx 000 0 und d
260 _bAmerican Geological Institute
_aUSA
362 _aJan-Dec,1986
365 _b1240
245 _aEarth science
440 _v+
500 _a4220 King Street Alexandria VA 22302
999 _c154327
_d154327