Quantitative spectrographic analysis of plant material with the aid of the direc
Pienaar, W.J.
Quantitative spectrographic analysis of plant material with the aid of the direc - Pretoria 1955 - 16 p. - No. 355; Union of South Afric .
Quantitative spectrographic analysis of plant material with the aid of the direc - Pretoria 1955 - 16 p. - No. 355; Union of South Afric .