Detailed References
Thesis topic:  "Simulation and analysis of protocol performance based on Petri nets".
Thesis Supervisor:: Gubar J., Ph. Doc.
Donetsk 2002
1.www.daimi.au.dk/PetriNets - home page of Petri Nets World.
2.. www-scf.usc.edu/~junsoole/research/ - Analytis Works on TCP
3. www.soslan.ru/tcp/ -TCP/IP in the focus
4. www.faqs.org/rfcs/ - Internet RFC/STD/FYI/BCP archive.
The last modification date is May, the 7th, 2002