http://www.bioc.cam.ac.uk/teaching/third-year/biochemistry/essay-writing-guidance
https://www.st-andrews.ac.uk/media/school-of-psychology/teachingdocs/currentstudents/A_Guide_To_Writing_Scientific_Essays.pdf
http://www.monash.edu.au/lls/llonline/writing/science/6.xml
http://www.monash.edu/__data/assets/pdf_file/0010/69418/essay-writing-guidelines.pdf