PILYUGIN 290 



Bibliography: 



Soil conditions and effect of applying microfertilizers. 

 Trace elements in plant nutrition. Transactions of the Labo- 

 ratory of Biochemistry of Soils and Trace Elements. Riga: 

 1958. 



Microelements and enzymes. Izdanie, Academy of Sciences 

 of Latvian S.S.R. Riga: 1960. 



Boron and Molybdenum in Latvian Soils. Riga: 1960. 

 Trace elements in agriculture. Primenenie Mikroelementov 

 V Sel'sk. Khoz. i Med., Trudy Vsesoyuz. Soveshchaniya, 

 Baku (Ya. V. Peyve, ed.). 1958, 5-15 (Pub. 1959). C. A. 54, 

 25455g (1960). 



and N. N. Ivanova, L. V. Karelina . Boron in the soils of 

 Latvian S.S.R. Latvijas PSR Zinatnu AKad. Vestis 1959, I, 

 35-47 (in Russian). C A. 54, 4987g (1960). 

 Biochemical role of molybdenum and its application in agri- 

 culture. Trace elements and yields. Transactions of the 

 Laboratory of Biochemistry of Soils and Trace Elements. 

 Riga: 1961. 



Biochemistry of the Soils. Moscow: 1961. 

 and G. Zhiznevskaya . Effect of molybdenum and copper on 

 nitratreductase activity in plants. Riga: 1961. 



Office: Academy of Sciences Latvian SSR 



Riga, Latvian SSR 



PILYUGIN, NIKOLAI ALEKSEEV^ICH (Automation Specialist) 

 N. A. Pilyugin was born in 1908. In 1935 he graduated from 



the Moscow Higher Technical School, and subsequently worked 



in various scientific-research organizations. He has been a 



member of the Communist Party of the Soviet Union since 1940. 



In 1960 he was elected to the U. S.S.R. Academy of Sciences as 



a Corresponding Member. 



Pilyugin' s principal works deal with problems of automatic 



controls. 



Office: USSR Academy of Sciences 



Leninskii Prospekt, 14 

 Moscow, USSR 



PISTOL' KQRS, ALEKSANDR ALEKSANDROVICH (Radio 



Engineer) 

 A. A. Pistol'kors was born October 10, 1896. He became 

 acquainted with radio engineering in World War I in the Officers 

 Electrochemical School in Petersburg and on the Caucasus front 

 while working at a radio station. He entered the Moscow 



