Mallory: "The Kurgan solution is attractive and has been accepted by many archaeologists and linguists, in part or total. It is the solution one encounters in the Encyclopædia Britannica and the Grand Dictionnaire Encyclopédique Larousse."[3]
Strazny: "The single most popular proposal is the Pontic steppes (see the Kurgan hypothesis)...".[4]
Villar, Francisco. Los Indoeuropeos y los origines de Europa: lenguaje e historia. Madrid: Gredos. 1991. ISBN 84-249-1471-6(西班牙语). Trad. it.: Villar, Francisco. Gli Indoeuropei e le origini dell'Europa. Bologna: Il Mulino. 1997. ISBN 88-15-05708-0.