Physiologically active substances. Issue 10,20,22 (3 books). In Russian./Fiziologicheski aktivnye veshchestva. Vypusk 10,20,22 (3 knigi). Under the red.Pelkis P., Lozinsky M. Kyiv. Naukova dumka. 1978-1990. Please contact us for details on condition of available copies of the book. SKUalb2c350ed8ab3e7cfa.