TY  - BOOK
AU  - Porwit,Krzysztof
AU  - Stadler,Jozef
AU  - Infeld,Helene
TI  - Central planning evaluation of variants
U1  - 330.18 
PY  - 1967///
CY  - Warsaw
PB  - Panstwowe Wydawnietwo Ekonomiezne
KW  - Economic policy
KW  - Economics, Mathematical
N1  - Includes bibliographical references and index
ER  -