@article{oai:tohoku.repo.nii.ac.jp:00011910,
 author = {Brouchkov, A. and Fukuda, Masami},
 issue = {4},
 journal = {The science reports of the Tohoku University. Fifth series, Tohoku geophysical journal},
 month = {May},
 note = {application/pdf, 紀要類 (bulletin), 500298 bytes},
 pages = {448--451},
 title = {Methane and Carbon Dioxide in Permafrost of Lena River Valley, Eastern Siberia (Extended Abstract)},
 volume = {36},
 year = {2003}
}