共 13 条
[1]
DUGGIN JA, 1976, BUSH FIRE HISTORY S, V76, P1
[2]
A FAST SEPARATION TECHNIQUE OF HUMIC ACIDS FROM PEAT TO BE DATED BY RADIOCARBON METHOD
[J].
INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES,
1970, 21 (09)
:566-+
[3]
GODWIN H, 1959, NATURE, V189, P490
[4]
REMOVAL OF CONTAMINANTS TO IMPROVE RELIABILITY OF RADIOCARBON-DATES OF PEATS
[J].
JOURNAL OF SOIL SCIENCE,
1978, 29 (03)
:340-349
[6]
Olsson Ingrid U., 1970, RADIOCARBON VARIATIO
[8]
POLACH HA, 1969, ATOMIC ENERGY AUSTR, V13, P21
[9]
POLACH HA, 1979, RADIOCARBON DATING, P115