Russian Federation
VAK Russia 06.01.2002
UDC 63
CSCSTI 68.31
CSCSTI 68.35
Russian Classification of Professions by Education 110000
Russian Library and Bibliographic Classification 40
Russian Trade and Bibliographic Classification 56
Russian Trade and Bibliographic Classification 5607
Russian Trade and Bibliographic Classification 5611
BISAK TEC003000 Agriculture / General