1. Abler, R. 1975a: Effects of space-adjusting technologies on the human geoggraphy of the future. In Abler, R., Janelle, D., Philbrick, A. and Sommer, J., editors, Human geography in a shrinking world, Belmont, California : Duxbury, 35-56.
2. 1975 b: Monoculture or miniculture? The impact of communications media on culture in space. In Abler, R., Janelle, D., Philbrick, A. and Sommer, J., editors, Human Geography in a shrinking world, Belmont, California : Duxbury, 122-31.
3. Althusser, L. 1970: The object of capital. In Althusser, L. and Balibar, E., Reading capital, London: New Left Books, 71-198.