H. Mark Perks and Joel F. Liebman (2000). «Paradigms and Paradoxes: Aspects of the Energetics of Carboxylic Acids and Their Anhydrides». Structural Chemistry. 11 (4). 265269 páginas. ISSN1040-0400. doi:10.1023/A:1009270411806
worldcat.org
H. Mark Perks and Joel F. Liebman (2000). «Paradigms and Paradoxes: Aspects of the Energetics of Carboxylic Acids and Their Anhydrides». Structural Chemistry. 11 (4). 265269 páginas. ISSN1040-0400. doi:10.1023/A:1009270411806