Hopper, Paul. 1979. Some observations on the typology of focus and aspect in narrative language. Studies in Language 3. 37–64.
@article{652,
author = {Hopper, Paul},
journal = {Studies in Language},
key = {Hopper 1979},
pages = {37–64},
title = {Some observations on the typology of focus and aspect in narrative language},
volume = {3},
year = {1979}
}