University of Tehran Press Journal of the Earth and Space Physics 2538-371X 34 2 2008 07 22 Aeromagnetic data processing of Basiran Area using cubic splines Aeromagnetic data processing of Basiran Area using cubic splines 27133 FA Journal Article 1970 01 01 aeromagnetic processing Splines Basiran https://jesphys.ut.ac.ir/article_27133_7654b85f0259871433574363385369b4.pdf