000 00474nab a2200157Ia 4500
008 230101s1986 xx 000 0 eng d
100 _aLeavitt, S.W. and Long, Austin
245 0 _aTrends of 14C/12C rations in pinyon tree rings of the American southwest and the global carbon cycle
250 _aVol. 28 Issue 2A
260 _c1986
300 _a376-382p
310 _atwice a year
500 _aNatural variations
773 _tRadiocarbon
_051578
942 _2ddc
_cAR
999 _c64170
_d64170