1. Sulfamic acid and its N- and O‑substituted derivatives;Spillane;Chem. Rev.,2014
2. Sulfamic acid and sulfamates;Yoshikubo,2000
3. Sulfamic acid;Metzger,2012
4. Chemical cleaning of an industrial boiler-an overview;Majnouni,2003
5. Industrial Chemical Cleaning;McCoy,1984