http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
South African journal of plant and soil =
Suid-Afrikaanse tydskrif vir plant en grond
Foundation for Education, Science, and Technology (South Africa)
South African Society of Crop Production
Latest issue consulted: Volume 9, number 1 (Feb. 1992).
Issued in collaboration with: <1991-> South African Society of Crop Production; Soil Science Society of South Africa; Southern African Weed Science Society.
Bureau for Scientific Publications, P.O. Box 1758, Pretoria 0001, Republic of South Africa.