Samedova-Hajiyeva, N. (2020) “Aspectual pair, aspectual triplet, aspectual cluster: what is the unit of the category of aspect and can the answer be tested experimentally?”, in Badio, J. (ed.) Categories and Units in Language and Linguistics. Poland: Lodz University Press (Lodz Studies in English and General Linguistics), pp. 147–160. doi:10.18778/8142-988-7.13.