American Society for Testing and Materials http://www.astm.org
Learn about the ASTM Standards International Organization American Society for Testing and Materials (ASTM), and how international standards are formulated.
International Organization for Standardization http://www.iso.org/iso/en/aboutiso/introduction/
International Organization for Standardization is the world's largest developer of standards. ISO's principal activity is the development of technical standards used around the world.
Merck Vet Manual http://www.merckvetmanual.com/mvm/index.jsp
The single most comprehensive electronic reference for animal care information brought to you as a service of Merck & Co