Hydrogen, carbon and oxygen isotopes in pine and oak tree rings from southern Poland as climatic indicators in the year 1900–2003 / M. Szczepanek, A. Pazdur, S. Pawelczyk, T. Boettger, M. Haupt, S. Hałas, Z. Bednarz, M. KRĄPIEC, E. SZYCHOWSKA-KRĄPIEC // W: Cultural diversity, environmental variability : 7\textsuperscript{th} international conference on Dendrochronology : June 11–17, 2006 Beijing, China : programme and abstracts / compiled by Lan Chen, [et al.]. — Beijing : Institute of Botany, the Chinese Academy of Sciences, [2006]. — S. 127–128

Isotopes in tree rings: climate and human activity during the last 400 years in Poland / A. Pazdur, [et al.], M. KRĄPIEC, E. SZYCHOWSKA-KRĄPIEC, [et al.] // W: Cultural diversity, environmental variability : 7\textsuperscript{th} international conference on Dendrochronology : June 11–17, 2006 Beijing, China : programme and abstracts / compiled by Lan Chen, [et al.]. — Beijing : Institute of Botany, the Chinese Academy of Sciences, [2006]. — S. 105

Regional pine chronology (\emph {Pinus sylvestris} L.) from NE Poland / Elżbieta SZYCHOWSKA-KRĄPIEC, Marek KRĄPIEC // W: Cultural diversity, environmental variability : 7\textsuperscript{th} international conference on Dendrochronology : June 11–17, 2006 Beijing, China : programme and abstracts / compiled by Lan Chen, [et al.]. — Beijing : Institute of Botany, the Chinese Academy of Sciences, [2006]. — S. 128