7Nabighian M N,Grauch V J S,Hansen R O,et al.The historical de- velopment of the magnetic method in exploration [ J ]. Geophysics, 2005,70(6) :33ND-61ND.
8Marc A. Vall6e, James Craven, Larry Newitt, et al.Guidelines for lo- cation and use of base station data in aemmagnetic survey process- ing[ J ]. SEG Technical Program Expanded Abstracts 2006,2006 : 933-937.
9Marc A. Vall6e, Richard Smith, R6gis Dumont. Correcting magnetic temporal variations with a base station[ J] .SEG Technical Program Expanded Abstracts 2003,2003:608-611.
10Whitham K, Niblett E R.The diurnal problem in aeromagnetic sur- veying in Canada [ J ]. Geophysics. 1961,26 ( 2 ) : 211 - 228.