This is a collection of some documents about how-to-write-a-paper. Just google it an you will find much more. The important thing is, that you have to find your definition of what science is and how communication between scientists should work. It has to be your own definition, which makes writing much easier.
What you should do is to read some of the content behind the provided links to see the very different interpretations of scientific communication.
- http://www-mech.eng.cam.ac.uk
- http://www.wisdom.weizmann.ac.il
- http://www.ee.ucr.edu (pdf)
- http://www.cs.cmu.edu (pdf)
- http://www.scidev.net
- http://www.redi-bw.de
- http://abacus.bates.edu
- http://www.nature.com
One thing that worked for me is the advice in source one. Grab a coffee or beer and start to think about the structure and ideas of the paper by writing down everything on a A3 page in landscape alignment.