Cremlyn, Richard; Swinbourne, Frederick; Atherall, John; Courtney, Lynn; Cronje, Theo; at al.
Phosphorus and Sulfur and the Related Elements, 1980 , vol. 9, p. 155 - 164

Cremlyn, Richard; Swinbourne, Frederick; Atherall, John; Courtney, Lynn; Cronje, Theo; at al.
Phosphorus and Sulfur and the Related Elements, 1980 , vol. 9, p. 155 - 164

Bayer and Co.
Patent: DE276331 ;
Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 12, p. 173