@Article{npg-2-228-1995,
AUTHOR = {Ryzhikov, G. and Biryulina, M. and Hanyga, A.},
TITLE = {3D nonlinear inversion by entropy of image contrast optimization},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {2},
YEAR = {1995},
NUMBER = {3/4},
PAGES = {228--240},
URL = {http://www.nonlin-processes-geophys.net/2/228/1995/},
DOI = {10.5194/npg-2-228-1995}
}