1. Determination of acetic anhydride by rapid thermometric method;Angelson;Ann. Univ. “C. I. Parhon,” Bucuresti. Ser. Stiint. Natl.,1957
2. Semimicro Quantitative Organic Analysis;Belcher,1954
3. Method for the determination of acetic anhydride in mixtures with acetic acid;Ellerington;Analyst,1957
4. Determination of acetic anhydride by direct titration;Gottlieb;Anales Asoc. Brasil. Quim.,1956
5. The automatic separation in esterification and other preparations;Hultman;J. Am. Chem. Soc.,1921