Home › Authors › I︠U︡. P. Frolov 👤 I︠U︡. P. Frolov b. 1892 · 3 books Books by I︠U︡. P. Frolov Ot instinkta do razuma Ot instinkta do razuma 1952 Fish who answer the telephone Fish who answer the telephone 1937 Besedy o glavneĭshikh otkrytii Besedy o glavneĭshikh otkrytii︠a︡kh fiziologii 1926