1. Devyatykh, G.G. and Zorin, L.D., Letuchie neorganicheskie gidridy osoboi chistoty (Ultrapure Volatile Inorganic Hydrides), Moscow: Nauka, 1974.
2. Gordon, I., US Patent 3 109 785.
3. Miller, G. and Steingart, J., US Patent 3109786.
4. Thornton, D. and Gordon, I., US Patent 3109787.
5. Miller, G. and Steingart, J., US Patent 3109788.