Tak napriklad http://www.cals.ncsu.edu/waste_mgt/smithfield_proj ects/phase3report06/pdfs/B.10.pdf alebo http://scholar.uwindsor.ca/cgi/viewcontent.cgi?art icle=1401&context=etd
Protein chitin obsahuju - nemaju tvrdu chitinovu schranku.
Kludne sa pytajte dalej :)