Place publication: Pretoria, RSA Publisher: Scientiae. Staff Association of the C.S.I.R. Volume Number 10
Additional notes: Cover:
The group of Bushman rock paintings pictured on the cover has been described as one of the finest yet found. The question is how long are these paintings going to last. Their preservation is a challenge to South African scientists. See page 5. (Copy: Walter Battiss and Murray Schoonraad).
Page 5 has an essay "Die verduursaming van ons rotskuns by Murray Schoonraad.