1. Perry’s Chemical Engineers’ Handbook, eighth ed., McGraw-Hill, 2008. (New editions released periodically.)
2. CRC Handbook of Chemistry and Physics, eighty-fourth ed., CRC Press, Boca Raton, 2003. (New editions released periodically.)
3. International Critical Tables (1926–1930), McGraw-Hill; 1st electronic ed. (2003), International Critical Tables of Numerical Data, Physics, Chemistry and Technology, Knovel/Norwich.
4. Biochemical Engineering and Biotechnology Handbook;Atkinson,1991
5. Estimation of heats of combustion of biomass from elemental analysis using available electron concepts;Patel;Biotechnol. Bioeng.,1981