Approved ISI journal abbreviation sources:
American Ornithologist's Union:
http://www.aou.org/AOU checklist of Middle and North American Birds: http://checklist.aou.org/taxa
Avibase: the world bird database: http://avibase.bsc-eoc.org/avibase.jsp
Taylor and Francis CSE citation style notes:
SIL, the International Society of Limnology:
Inland Waters, a journal of the International Society of Limnology (SIL):
North American Lake Management Society (NALMS):
Style Guidelines for Lake and Reservoir Management, the official journal of NALMS:
University of Missouri: