Krishtofovich A.N. Paleontology of the USSR. In Russian/Krishtofovich A.N. Paleontologiya SSSR. Catalogue of Plants of Fossil Flora of the USSR. Appendix to Volume 12, M. Publishing House of the Academy of Sciences of the USSR, 1941, 566s. Please contact us for details on condition of available copies of the book. SKUalb4fee326244470464.