1. ΔZ magnetic map of Romania (scale 1:200,000)—Tg. Jiu sheet;Airinei,1972
2. ΔZa magnetic map of Romania (scale 1:200,000)—Tg. Jiu sheet;Airinei,1972
3. Dictionary of Geological Terms;Bates,1984
4. Rock-Magnetic Studies on Hematite, Maghemite, and Combustion-metamorphic Rocks;De Boer;Geologica Ultraiectina,1999
5. Rock-magnetic properties of TRM carrying baked and molten rocks straddling burnt coal seams;De Boer;Physics of the Earth and Planetary Interiors,2001