Dömsödi János
Budapest
Mezőgazdasági Kiadó
1989
pedologie
631.4:631.115.1
Buga, Constantin
Bucureşti
Ceres
1985
exploatări agricole particulare
631.115.11(498)(094)
Editura Politică
1982
331.107.8(498):631.115(498)(061.3)"1981"