1. Economic Growth;Barro,1995
2. Ambivalent Joint Production and the Natural Environment. An Economic and Thermodynamic Analysis;Baumgärtner,2000
3. The concept of joint production and ecological economics;Baumgärtner;Ecological Economics,2001
4. Choice of techniques in joint production;Bidard,1990
5. Capital Theory and Dynamics;Burmeister,1980