EMMENEGGER, Jean-François - CHABLE, Daniel - NOUR ELDIN, Hassan Ahmed. Sraffa and Leontief Revisited : Mathematical Methods and Models of a Circular Economy. Berlin : Walter de Gruyter, 2020. xxv, 529 s. ISBN 978-3-11-063042-8. [Copy count : 1, currently available 0, at library only 1]