Indoevropejskij jazyk i Indoevropejcy : rekonstrukcija i istoriko-tipologičeskij analiz prajazyka i protokultury = Indo-European and the Indo-Europeans : a reconstruction and historical analysis of a protolanguage and a protoculture. Vol. 2 - Gamkrelidze, Thomas V. (Izdatel'stvo Tbilisskogo universiteta, 1984)