TY  - BOOK
AU  - Eichhorn W, and others Ed.
TI  - Production theory:  Proceedings of an international   
T2  - Lecture Notes in Economics and Mathematical Systems Ed by M Beckman and H P Kunzi.99
U1  - X:2:(B), L4 
PY  - 1974///
CY  - Berlin
PB  - Springer-Verlag          
ER  -