Koulidobrova, Helen (2012-12-17). "Commentary on Fischer & Johnson (1982)". Sign Language & Linguistics. 15 (2): 253–258. doi:10.1075/sll.15.2.06kou. ISSN1387-9316.
Koulidobrova, Helen (2012-12-17). "Commentary on Fischer & Johnson (1982)". Sign Language & Linguistics. 15 (2): 253–258. doi:10.1075/sll.15.2.06kou. ISSN1387-9316.