spevacek, v. (1966). some problems of working out and utilization in planning the structural balances (in put-out put tables) in czechoslovakia. the institute of national planning.

spevacek, vojtech. Some Problems of Working Out and Utilization in Planning the Structural Balances (in Put-out Put Tables) in Czechoslovakia. cairo: the institute of national planning, 1966.

spevacek, vojtech. Some Problems of Working Out and Utilization in Planning the Structural Balances (in Put-out Put Tables) in Czechoslovakia. the institute of national planning, 1966.