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The influence of substitution and technical progress on income differences between graduate and other labour
Groenveld, K., (1978)
NTR, rabočij klass, intelligencija
Bljachman, Leonid Solomonovič, (1973)
Die neuen Intellektuellen
Bon, Frédéric, (1974)
Computer science in the next two decades
Adorján, Bence, (1983)