1. Carbon-13 NMR Spectroscopy;Breitmaier,1978
2. Thermogenic gas hydrates in the Gulf of Mexico;Brooks;Science,1984
3. Gazovye Gidraty;Byk;Izdat, Khimiya,1980
4. Clathrate hydrates;Davidson,1973
5. NMR, NQR and dielectric properties of clathrates;Davidson,1984