Li, Ping / Shirai, Yasuhiro
The Acquisition of Lexical and Grammatical Aspect
Series:Studies on Language Acquisition [SOLA] 16
"The book covers everything related to aspect in the field of language acquisition; I was amazed by how the authors managed to do this in such a clear manner in only 261 pages."
(Ayumi Matsuo, Studies in Second Language Acquisition 26, 3-2004)