What has the author Yvan van Garsse written?

Yvan van Garsse has written:

'Electroencephalographic research on criminal and anti-social behaviour' -- subject(s): Bibliography, Criminal psychology, Electroencephalography, Indexes, Pathological Psychology, Sociopathic personality

'Ethnological and anthropological literature on the three Southern Sudan provinces: Upper Nile, Bahr el Ghazal, Equatoria' -- subject(s): Anthropometry, Bibliography, Ethnology