1. Verbal virtuosity and speakers’ purposes;Andersen,1990
2. Developmental sequences: The emergence of aspect marking in second language acquisition;Andersen,1991
3. Four operating principles and input distribution as explanations for underdeveloped and mature morphological systems;Andersen,1993
4. The insider’s advantage;Andersen,1994
5. Discourse Motivations for Some Cognitive Acquisition Principles