//-->
Input-output tables : their compilation and use ; Scientific Conference on Statistical Problems, Budapest, 1 - 15 June, 1961, Branch A
Lukács, O., (1962)
An international comparison of material intensity
Gomułka, Stanisław, (1988)
Problem-complexes in optimal planning
Aganbegian, A. G., (1973)
Novye pjatiletnie plany bratskich socialističeskich stran
Petrova, V., (1976)
O rabotach po mežotraslevomu balansu v evropejskich socialističeskich stranach
Petrova, V., (1968)
Perspektivnye plany GDR
Petrova, V., (1964)