@conference{0720eea09709427f919498082601c05f,
title = "Nitrogen economy of a pine forest ecosystem",
keywords = "nitrogen budget, pinus sylvestris, long-term fertilisation, nitrogen retention, acidification, liming, nitrogen budget, pinus sylvestris, long-term fertilisation, nitrogen retention, acidification, liming",
author = "Riitta Hyv{\"o}nen and Helene Lundkvist and {\AA}gren, \{G{\"o}ran I\} and Svetlana Ladanai",
year = "2004",
language = "English",
note = "Workshop at Hammerskog ; Conference date: 01-01-2004",
}