http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Plantbeskermingswetenskappe en mikrobiologie. Plant protection sciences and microbiologie
Dept. of Agricultural Technical Services.
At head of title: Landbouwetenskap in Suid-Afrika. Agricultural science in South Africa.
Selected water resources abstracts 0037-136X
Suid-afrikaanse tydskrif vir landbouwetenskap