共 25 条
[2]
BURK RL, 1979, THESIS U WASHINGTON
[4]
DENIRO MJ, 1978, EARTH PLANET SCI LET, V54, P177
[5]
DOWNTON WJS, 1975, PHOTOSYNTHETICA, V9, P96
[8]
Gonfiantini R., 1965, ISOTOPES RAD SOIL PL, P405