Greenfield, Haskel J.

• Surveying early agricultural sites in Southern Africa: the Application of the Geonics EM-38 Conductivity Meter to the Early Iron Age Site of Ndondondwane, South Africa
  ICOMOS – Hefte des Deutschen Nationalkomitees Bd. 33 (1999): ICOMOS – Hefte des Deutschen Nationalkomitees