61 | Kell | Kellogg, J. H. Professor I.P.Pavlov (In Honor of His Eightieth Birthday) [Текст] : Reprinted from The Spetial Issue of the Bulletin of the Buttle Creek Sanitarium and Hospital Clinic, Oct., 1929, Vol.24, pp.203-211 / J.H. Kellogg, W.N. Boldyreff. — Battle Creek, Michigan. — 27p. |
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