<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Amundson, R. G.</style></author><author><style face="normal" font="default" size="100%">Walker, R. B.</style></author><author><style face="normal" font="default" size="100%">Schellhase, H. U.</style></author><author><style face="normal" font="default" size="100%">Legge, A. H.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Sulphur gas emissions in the boreal forest: the west Whitecourt case study VIII: pine tree mineral nutrition</style></title></titles><dates><year><style  face="normal" font="default" size="100%">1990</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.springerlink.com/content/h2439342604k2250/fulltext.pdf</style></url></web-urls></urls><publisher><style face="normal" font="default" size="100%">Water, Air, &amp; Soil Pollution</style></publisher><volume><style face="normal" font="default" size="100%">50</style></volume><pages><style face="normal" font="default" size="100%">219-232</style></pages><language><style face="normal" font="default" size="100%">en</style></language><issue><style face="normal" font="default" size="100%">3-4</style></issue><custom1><style face="normal" font="default" size="100%">Biology, Forestry</style></custom1><custom2><style face="normal" font="default" size="100%">Whitecourt</style></custom2><custom4><style face="normal" font="default" size="100%">Science</style></custom4><custom5><style face="normal" font="default" size="100%">54 15</style></custom5><custom6><style face="normal" font="default" size="100%">116</style></custom6></record></records></xml>