Academia.edu
DOE - Office of Scientific and Technical Information
Elsevier
Engineering Degree Guidance
HTRI - Heat Transfer Research, Inc.
InChI Trust
InTech : Open Science : Open Minds
MDPI - Open Access Publishing
MPC, WRC, PVRC
Neutrium
NTRL - National Technical Reports Library
OnePetro
PLOS ONE - Pier Reviewed Science
Propane Education & Research Council
Thermal-Fluids Central
Tribology in Industry
WorldCat
World Wide Energy