共 13 条
[1]
Ice core records of atmospheric CO2 around the last three glacial terminations. Hubertus Fischer,Martin Wahlen,Jesse Smith,et al. Science . 1999
[2]
Nitrogen deposition makes a minor contribution to carbon sequestration in temperation forests. Knute J Nadelhoffer,Bridget A Emmett,Per Gundersen,et al. Nature . 1999
[3]
西安市地理志[M]. 陕西人民出版社 , 陕西师范大学地理系编, 1988
[4]
高等地球化学[M]. 科学出版社 , 中国科学院地球化学研究所编, 1998