<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>27</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Lawrence, G. B.</style></author><author><style face="normal" font="default" size="100%">David, M.B.</style></author><author><style face="normal" font="default" size="100%">Shortle, W.C.</style></author><author><style face="normal" font="default" size="100%">Bailey, S. W.</style></author><author><style face="normal" font="default" size="100%">Lovett, Gary M.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Mechanisms of base-cation depletion by acid deposition in forest soils of the northeastern U.S.</style></title><secondary-title><style face="normal" font="default" size="100%">S. B. Horsley and R. P. Long (eds.). Sugar Maple Ecology and Health: Proceedings of an International Symposium. Gen. Tech. Report NE-261</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1999</style></year></dates><publisher><style face="normal" font="default" size="100%">U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station, Radnor, PA.</style></publisher><pages><style face="normal" font="default" size="100%">75-87</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>