Bjarnason, S.
Database management system for soil data and fertilizer planning - Budapest Hung.Ac.of Sc. - s. 817-821
COMPUTORS DOCUMENTATION INFORMATION PROCESSING SOIL SCIENCES
333.953416
Database management system for soil data and fertilizer planning - Budapest Hung.Ac.of Sc. - s. 817-821
COMPUTORS DOCUMENTATION INFORMATION PROCESSING SOIL SCIENCES
333.953416