TY - BOOK T1 - Aspect : an introduction to the study of verbal aspect and related problems A1 - Comrie, Bernard 1947- LA - English PP - Cambridge PB - Cambridge University Press YR - 1976 UL - https://colectivo.uloyola.es/Record/T248669 OP - 142 CN - 800 SN - 0 521 21109 3 (hard covers) KW - Aspecto verbal ER -