1. Jędrys J. // Записки Горного института. 2007. № 2Том 170. C. 14-17.

1. Jędrys J. Application of magnetic method in the geological research of facial differentiation of the Upper Jurassic limestones in Krakow-Wielun Upland, Southern Poland // Journal of Mining Institute. 2007. № 2Том 170. C. 14-17.