@article{oai:kanazawa-u.repo.nii.ac.jp:00011251,
 author = {上原, 章 and 土屋, 亮吉 and Uehara, Akira and Tsuchiya, Ryokichi},
 issue = {02},
 journal = {The science reports of the Kanazawa University＝金沢大学理科報告},
 month = {Dec},
 pages = {83--85},
 title = {A New Synthetic Route to Squaric Acid as a chelating Agent},
 volume = {25},
 year = {1980}
}