@article{DAN_1957_114_2_a29,
     author = {A. M. Kalinina and E. A. Porai-Koshits},
     title = {On the existence of metakaolinite and the nature of the exothermal effects of alumina},
     journal = {Doklady Akademii Nauk},
     pages = {365--368},
     publisher = {mathdoc},
     volume = {114},
     number = {2},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_114_2_a29/}
}