Electronic dictionary entries with animated pictures: Lookup preferences and word retention

http://ijl.oxfordjournals.org/cgi/reprint/ecp022?ijkey=FWAwWPvILuZDT1S&keytype=ref

¿Es aspectual o temporal el carácter de la oposición imperfectivo /perfectivo?

In this article, we present a short historical summary of the following terms: the aspect and the imperfective /perfective opposition to answer the question if the imperfective /perfective opposition has an aspectual or temporal character. We distinguish two types of the aforementioned opposition: the temporal imperfective /perfective opposition expressed by the Spanish tenses Pretérito Indefinido / Pretérito Imperfecto that is characterized by the property of [± temporal delimitation]; and the aspectual imperfective /perfective opposition recognizable in the aspectual system of the Slavonic languages that is characterized by the property of [± conclusion of the process].