In Russian. Tugov, Igor Ivanovich. The Theory of Disturbances for Dual-Atomic Molecules. Moscow: 1977. Teoriya vozmushcheniy dlya dvukhatomnykh molekul. In Russian /Disturbance Theory for Dichatomic Molecules . All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU8422226
In Russian. Tugov, Igor Ivanovich. Space, Time, Gravity. Moscow: Knowledge, 1971. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU8422225