https://scholar.google.com/scholar_lookup?title=Evaluating+the+Buffering+Capacity+of+Various+Soft+Drinks,+Fruit+Juices+and+Tea&author=Singh,+S.&author=Jindal,+R.&publication_year=2010&journal=J.+Conserv.+Dent.&volume=13&pages=129–131&doi=10.4103/0972-0707.71643