Supplementary material on writing
Slides of Robins lecture on writing
Here are some more links. Read through these and take what you find useful!
How to write a computer science paper (html), one-page advice
Computer science writing (html), one page with useful tips
How to write a paper (pdf), a short note with good advice, and its companion note How NOT to write a paper (pdf)
Frequent writing mistakes (pdf), a list of common mistakes in English writing
Scientific writing for computer science students (pdf), full set of lecture notes with lots of good advice