URL: Pranovich, Andrey, Jonas Konn, and Bjarne Holmbom. "Variation in spatial distribution of organic and inorganic compounds across annual growth rings of Norway spruce and aspen." 59th Appita Annual Conference and Exhibition: Incorporating the 13th ISWFPC (International Symposium on Wood, Fibre and Pulping Chemistry), Auckland, New Zealand, 16-19 May 2005: Proceedings. Appita Inc., 2005.
Andrey Pranovich, Jonas Konn, Bjarne Holmbom