1. ^{{Cite book|url=https://books.google.com/books?id=BBlxie4p6wAC&pg=PA12&dq=Oxycarbide+glass+-wikipedia.org&hl=en&sa=X&ved=0ahUKEwishb2NlqPXAhUHxWMKHVrIA-UQ6AEIQzAG#v=onepage&q=Oxycarbide%20glass%20-wikipedia.org&f=false|title=Handbook of sol-gel science and technology. 2. Characterization and properties of sol-gel materials and products|last=Sakka|first=Sumio|date=2005|publisher=Springer Science & Business Media|isbn=9781402079672|language=en}}
2. ^{{Cite book|url=https://books.google.com/books?id=-gG-vTBNbD0C&pg=PA947&dq=Oxycarbide+glass+glass&hl=en&sa=X&ved=0ahUKEwjAgeCBl6PXAhVB8WMKHVv7DsUQ6AEILDAB#v=onepage&q=Oxycarbide%20glass%20glass&f=false|title=17th Annual Conference on Composites and Advanced Ceramic Materials, Part 2 of 2|last=Wachtman|first=John B.|date=2009-09-28|publisher=John Wiley & Sons|isbn=9780470316221|language=en}}