1. Patent 2063929 RU (1996) Method for producing porous granular ammonium nitrate
2. Patent 2018503 RU (1994) Method for producing porous granular ammonium nitrate
3. Patent 9483 UA (1996) Method for producing porous granular ammonium nitrate
4. Patent 2021235 RU (1998) Method for producing porous granular ammonium nitrate
5. Janssen TJ (2011) Explosive materials: classification, composition and properties. Nova Science Publishers, Inc.