Haspelmath, Martin. 2011a. On S, A, P, T, and R as comparative concepts for alignment typology. Lingustic Typology 15. 535-567.
@article{haspelmath2011a,
author = {Haspelmath, Martin},
journal = {Lingustic Typology},
key = {Haspelmath 2011a},
number = {3},
pages = {535-567},
title = {On S, A, P, T, and R as comparative concepts for alignment typology},
volume = {15},
year = {2011a}
}