TY  - BOOK
AU  - Eichhorn,W.
AU  - Others
TI  - Production theory:Proc. of an internatonal seminar held at Univ. of Karl- surhe
U1  - 338.001 
PY  - 1974///
CY  - N.Y.Speringer Verlag
PB  - 
KW  - Economics
ER  -