PARM system manual, vol. III, section M :
Manufacturing and mining /
prepared by Philip M. Ritz ; with the collaboration of Lou P. Koenig on Parts 2 and 3 and Tong-Gyu Lim on Part 4.
Ritz, P. M., Lim, T., Koenig, L. P., United States. National Resource Analysis Center., National Planning Association. (1965). PARM system manual, vol. III, section M: Manufacturing and mining. Washington: National Planning Association.
National Planning Association, et al.. PARM System Manual, Vol. III, Section M: Manufacturing And Mining. Washington: National Planning Association, 1965.
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