@misc{indiciae5d1d6a91a0b7, title = {Depigmentation from squaric acid dibutylester.}, author = {R Valsecchi and T Cainelli}, year = {1984}, doi = {10.1111/j.1600-0536.1984.tb00349.x}, url = {https://pubmed.ncbi.nlm.nih.gov/6232090/}, note = {Source identifier: 6232090} }