%0 Journal Article %T Balto-Slavic o-grade presents %A Frederik Kortlandt %J Baltistica %D 2011 %I Vilnius University Press %K indo-european %K balto-slavic %K o-grade %K present %K accentuation %K IWoBA %U http://www.baltistica.lt/index.php/baltistica/article/viewFile/34/16