1. Science and ESP: Defining Some of the Problems;Barnes;Al Manakh,1981
2. Writing Medical Papers: A Practical Guide;Calnan,1973
3. The Modals in Formal Scientific Discourse: Function, Meaning, and Use;Ewer,1979
4. The Sentence in Written English: A Syntactic Study Based on an Analysis of Scientific English Texts;Huddleston,1971
5. Understanding Biological Extracts;Humpal,1980