TY  - BOOK
AU  -  Yershov,O.A.
TI  -  Some notes on the system of education in the USSR / 
U1  -  P 370.947 YER 
PY  - 1917///
CY  -  [S.l] : 
PB  -  [s.n], 
KW  -  Education
KW  -  USSR
ER  -