Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) J. F. Arens and T. Doornbos,Chemistry of acetylenic ethers X. Note on the use of ethoxy‐acetylene for the preparation of acid anhydrides,Recueil des Travaux Chimiques des Pays-Bas,0165-0513,Wiley,1955-01,74,1,79-80,https://cir.nii.ac.jp/crid/1363670318598451200,https://doi.org/10.1002/recl.19550740111