The Structural Conformity Hypothesis and the Acquisition of Consonant Clusters in the Interlanguage of ESL Learners 論文 Fred R. Eckman ·1991-03-01 ·『Studies in Second Language Acquisition』 13(1) pp. 23-41 doi:10.1017/s0272263100009700
On predicting phonological difficulty in second language acquisition 論文 Fred R. Eckman ·1981-01-01 ·『Studies in Second Language Acquisition』 4(1) pp. 18-30 doi:10.1017/s0272263100004253