Media type: Electronic Conference Proceeding Title: The special features of tree ring gas chronologies Contributor: Ageev, Boris G.; Gruzdev, Aleksandr N.; Sapozhnikova, Valeria A. imprint: SPIE, 2015 Published in: 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics Extent: Language: Not determined DOI: 10.1117/12.2199390 ISSN: 0277-786X Origination: Footnote: