Spatial Diffusion of Social Activity: The Example of „MONAR" Movement in Poland
Andrzej Kowalczyk
Sustainable development and perspectives for development of tourism in rural areas in Poland
Andrzej Kowalczyk
Application of quantitative PCR for detection of Mycoplasma suis in blood samples
Artur Jabłoński, Dominika Borowska, Sylwia Zębek, Andrzej Kowalczyk, Arkadiusz Dors, Jacek Żmudzki, Agnieszka Nowak, Zygmunt Pejsak
The world’s biggest hotel companies. Old trends and new tendencies
Andrzej Kowalczyk
L'influence des résidences secondaires sur l'environnement naturel et le développement local
Andrzej Kowalczyk
Emergence of the pandemic H1N1 2009 influenza A virus in swine herds in Poland
Iwona Markowska-Daniel, Kinga Urbaniak, Marian Porowski, Paweł Karbowiak, Andrzej Kowalczyk, Edyta Kozak, Zygmunt Pejsak
Substitution in position 222 of haemagglutinin of pandemic influenza A (H1N1) viruses isolated from pigs in Poland
Andrzej Kowalczyk, Kinga Urbaniak, Iwona Markowska-Daniel, Zygmunt Pejsak
Effect of serial in vivo passages on the adaptation of H1N1 avian influenza virus to pigs
Kinga Urbaniak, Andrzej Kowalczyk, Małgorzata Pomorska-Mól, Krzysztof Kwit, Iwona Markowska-Daniel
Real-time quantitative PCR for detection and identification of Actinobacillus pleuropneumoniae serotype 2
Arkadiusz Dors, Andrzej Kowalczyk, Małgorzata Pomorska-Mól
Phylogenetic Analysis of the First Isolate of Polish H1N2 Swine Influenza Virus
Andrzej Kowalczyk, Kinga Urbaniak, Iwona Markowska-Daniel
Second Homes Ownership in the Urban Environment. The Case of Warsaw
Andrzej Kowalczyk
Morphological Analysis of Recreational Settlements in the Region of Warsaw
Andrzej Kowalczyk