R.H.S. Robertson

Last updated: Tuesday, February 19th 2008, 0:18

Robertson, R.H.S. (1986) Fuller's earth: a history of calcium montmorillonite. Hythe: Volturna Press.
Robertson, R.H.S. (1949) 'The Fuller's earths of the Elder Pliny'. CR 63.2, 51-52.