Ten-year summary of the climatological data recorded at the Agro-meteorological
de Villiers, G.D.B.
Ten-year summary of the climatological data recorded at the Agro-meteorological - Pretoria 1954 - 39 p. - No. 349; Union of South Afric .
Ten-year summary of the climatological data recorded at the Agro-meteorological - Pretoria 1954 - 39 p. - No. 349; Union of South Afric .