info:oai:orgprints.org:7391info:ofi/fmt:xml:xsd:bookJankowska-HuflejtHalinaJankowska-Huflejt, Dr HalinaWróbelBarbaraWróbel, Dr BarbaraKacaEdmundKaca, Prof. Edmund2006Utilisation and quality of fodders from grass-lands in organic livestock production in Poland proceeding