TransliterationIgnatov K.M. Neustoychivost relefa Nizhegorodskoy gubernii (obrazovanie opolzney, ovragov, beregovykh nanosov i pr.)
In EnglishIgnatov K.M. Irregularity of the relief of Nizhny Novgorod province (formation of landslides, ravines, coastal sediments, etc.) In Russian (ask us if in doubt)
$399