1. Bunge W. Theoretical geography. Lund: Gleerup, 1966. 289 p.
2. Velikanov M.A. Ruslovoi protsess (osnovy teorii) [Riverbed process (basics of the theory)]. Moscow: Fizmatgiz; 1958. 395 p.
3. Zavadskii A.S., Chalov R.S. Regional'nyi analiz svobodnogo meandrirovaniya [Regional analysis of free meandering]. Lomonosov Geography Journal. 1997;(3):32–36.
4. Zamyshlyaev V.I. O prichinakh meandrirovaniya rek (obzor zarubezhnykh avtorov) [On the causes of meandering of rivers (review of foreign authors)]. In: Voprosy gidrologii sushi. Grushevskii M.S., Kopaliani Z.D., eds. Leningrad: Gidrometeoizdat; 1978. pp. 138–141.
5. Kondrat'ev A.N. Prichina obrazovaniya izvilistosti: meandrirovanie rek i drugikh prirodnykh potokov [The reason for the formation of tortuosity: meandering of rivers and other natural streams]. Izvestiya Rossiiskoi Akademii nauk. Seriya geograficheskaya. 2000;(4):42–44.