Schmalstieg, William R. 1995. An Introduction to Old Russian. Washington &D.C.: Institute for the Study of Man.
@book{audersetinterrog-schmalstiegintroduction1995, address = {Washington &D.C.}, author = {Schmalstieg, William R.}, publisher = {Institute for the Study of Man}, title = {An Introduction to Old Russian}, year = {1995} }