@article{DAN_1970_194_1_a18,
     author = {Yu. P. Neprochnov and L. N. Rykunov},
     title = {Experimental data on the layer of increased velocity in the {Earth's} upper mantle},
     journal = {Doklady Akademii Nauk},
     pages = {80--82},
     publisher = {mathdoc},
     volume = {194},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_194_1_a18/}
}