L. V. Koltsov (Koltsov, L. V.)

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  Mezolit SSSR
  by Institut arkheologii (Akademiia nauk SSSR), N. O. Bader, L. V. Koltsov
  Hardcover, Izd-vo Nauka, ISBN 502009952X (5-02-009952-X)
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  Mezolit Volgo-Okskogo Mezhdurechia: Pamiatniki Butovskoi Kultury
  by L. V. Koltsov, M. G. Zhilin
  Hardcover, Nauka, ISBN 5020097969 (5-02-009796-9)