Refraction seismic survey to evaluate the danger of ground surface damage in mining areas / J. DEC // W: Near surface 2004 : 10\textsuperscript{th} European meeting of environmental and engineering geophysics : Utrecht, the Netherlands, 6–9 September 2004 : extended abstracts book / European Association of Geoscientists & Engineers. — Houten : EAGE, cop. 2004. — ISBN10: 90-73781-37-X. — S. 1–4 [całość numeracji nieciągła] poz. P003. — Bibliogr. s. 4, Abstr.

Seismic surveys to evaluate the danger of ground surface damage in built-up terrain at mining areas / J. DEC // Polish Journal of Environmental Studies ; ISSN 1230-1485. — 2004 vol. 13 suppl. 3, s. 70–73. — Bibliogr. s. 73, Abstr.. — Conference on “Environment protection and engineering – sustainable development”

Stop 5. Evaluation of Muszyna–Leluchów landslide's stability in geophysical surveys / Jerzy DEC, Ryszard ŚLUSARCZYK, Antoni Wójcik // W: Risks caused by the geodynamic phenomena in Europe : 20–22 May 2004, Wysowa, Poland : abstracts and field trip guide-book / eds. Teresa Mrozek, Piotr Nescieruk ; Polish Geological Institute, Centre of Excellence, Research on Abiotic Environment REA. — Warsaw : PGI, 2004. — Project number EVK 1-CT-2002-80006 (REA). — ISBN10: 8373727302. — S. 60–61

The application of near-surface geophysical methods for engineering and environmental geology in Vietnam / Nguyen Van Giang, Jerzy ZIĘTEK, Jerzy DEC // W: RAEG2004 : proceedings of the 8th international symposium on Recent Advances in Exploration Geophysics : March 10, 2004, Kyoto, Japan. — Kyoto : The Organizing Committee of RAEG2004, 2004. — S. 99–104. — Bibliogr. s. 104