@article{DAN_1987_295_6_a11,
     author = {V. G. Gorshkov},
     title = {Disturbance of global carbon cycle as inferred from $^{13}\mathrm{C}/^{12}\mathrm{C}$ change in natural
},
     journal = {Doklady Akademii Nauk},
     pages = {1332--1336},
     publisher = {mathdoc},
     volume = {295},
     number = {6},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_295_6_a11/}
}