FaustE. F.AckermanG.: Program/project management at Hoffmann-LaRoche, Res. Manage., pp. 38–42, 1972.
2.
HelmsR. B., ed.: Drug Development and Marketing. The American Enterprise Institute for Public Policy Research, Washington, D. C.1975, pp. 67.
3.
ClymerH.: The changing cost and risks of pharmaceutical innovation, pp. 115–116. In: The Economics of Drug Innovation, Washington D. C., American University, 1970.
