Jan Tinbergen & J. J. Polak.
The Dynamics of business cycles: a study in economic fluctuations.
R674757. The Dynamics of business cycles: a study in economic fluctuations. By Jan Tinbergen & J. J. Polak. © 3Mar50; A42256. J. J. Polak (A); 11Oct77; R674757.
J. J. Polak|A