<?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%">Freeland, W. J.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Parasites and the coexistence of animal host species</style></title><secondary-title><style face="normal" font="default" size="100%">American Naturalist</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Gert; Wirtsspezifit</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">1983</style></year></dates><volume><style face="normal" font="default" size="100%">121</style></volume><pages><style face="normal" font="default" size="100%">223-236</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">2</style></issue><accession-num><style face="normal" font="default" size="100%">40606</style></accession-num><notes><style face="normal" font="default" size="100%">1698Journal</style></notes></record></records></xml>