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The economics of time and ignorance
O'Driscoll, Gerald P., (1985)
The time structure of inputs and outputs and the formation of employment cycles
Wenig, Alois, (1979)
Der Preis der Zeit
Bogatschow, W., (1970)
Piero Sraffa : a student's perspective
Sen, Amartya, (2004)
Gramsci, Sraffa, Wittgenstein : philosophical linkages
Davis, John B., (2002)
Sraffa; Wittgenstein, and Gramsci
Sen, Amartya, (2003)