1. AACC International. Approved Methods of Analysis, 11th Ed. Method 76–13.01. Total Starch Assay Procedure (Megazyme Amyloglucosidase/alpha-Amylase Method), 2000. AACC International, St. Paul, MN, USA.
2. Agilent Technologies., 2000. Rapid, Accurate, Sensitive, and Reproducible HPLC Analysis of Amino Acids. Part No. 5980-1193E.
3. AOAC Official Method 930.15., 2005 Official Methods of Analysis of AOAC International, 18th ed, AOAC International, Gaithersburg, MD, USA.
4. Association for the Advancement of Cost Engineering International., 1990. Conducting technical and economic evaluations in the process and utility industries. In: AACE Recommended Practices and Standards, 84, Association for the Advancement of Cost Engineering (AACE) International, Morgantown, WV, USA.
5. Understanding the reductions in US corn ethanol production costs: an experience curve approach;Hettinga;Energ. Policy,2009