@article{DAN_1988_299_4_a18, author = {I. N. Stepanov and N. A. Loshakova and E. V. Orlova}, title = {An optical-structural analysis of the {Earth} crust forms according to topographic maps}, journal = {Doklady Akademii Nauk}, pages = {847--851}, publisher = {mathdoc}, volume = {299}, number = {4}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_299_4_a18/} }