TY  - GEN
AU  -  Maley Alan
AU  -  Duff Alan
TI  -  Variations On A Theme
CY  - Cambridge:Cambridge University Press,1978
KW  - Language
KW  - English Language
KW  - Linguistic Content
KW  - Dialogues
KW  - Vocabulary
KW  - Factual Information-Imparting Seeking
KW  - Intellectual Attitudes-Emotional Moral
KW  - Interpretation-Writing
ER  -