Banpot Dolwithayakul Chantana Chantrapornchai Suabsakul Yooyeunyong Proper Parallel Numerical Integration Method for Magnetic Sounding Equations on Multilayered Earth. 122-129 2011 FGIT-UNESST http://dx.doi.org/10.1007/978-3-642-27210-3_15 conf/fgit/2011unesst db/conf/fgit/unesst2011.html#DolwithayakulCY11