Pavlov I. P., Academician Twenty years of experience in the objective study of higher nervous activity in animals. Conditional reflexes. /Pavlov I. P., akademik Dvadtsatiletniy opyt obektivnogo izucheniya vysshey nervnoy deyatel'nosti zhivotnykh. Uslovnye refleksy. Collection of Articles, Reports, Lectures and Speeches. Three, Supplementary Publishing House. Leningrad, State Publishing House. 1924. 383 p. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb1ef7c07f6781c3d3