An optimal control model of product improvement R&D /
Shishko, Robert
An optimal control model of product improvement R&D / Robert Shishko - California : Rand Corporation, 1971 - 32 pages ; 28 cm.
Includes bibliographical references.
An optimal control model of product improvement R&D / Robert Shishko - California : Rand Corporation, 1971 - 32 pages ; 28 cm.
Includes bibliographical references.
