@article{DAN_1963_149_4_a15,
     author = {A. T. Vartanyan},
     title = {Activation energy of dark conductivity and photoconductivity of chlorophyll~$\mathrm{a}$},
     journal = {Doklady Akademii Nauk},
     pages = {812--815},
     publisher = {mathdoc},
     volume = {149},
     number = {4},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_149_4_a15/}
}