1. Group technology;Arn,1975
2. Economic welfare and the allocation of resources for innovation;Arrow,1962
3. Export incentives and export performance in developing countries, A comparative analysis;Balassa;Weltwirtschaftliches Archiv,1978
4. Export subsidies by developing countries;Balassa,1977
5. Innovaciones en el proceso y aprendizaje (El caso de una planta Argentina de motores);Berlinski,1982