National Bureau of Economic Research., Charles Carter Newman Symposium on Natural Resources Engineering,, McMains, H. J., & Wilcox, L. (1978). Alternatives for growth: The engineering and economics of natural resources development. Cambridge, Mass.: Published for the National Bureau of Economic Research, inc., by Ballinger Pub. Co..

National Bureau of Economic Research., Charles Carter Newman Symposium on Natural Resources Engineering, Harvey J. McMains, and Lyle Wilcox. Alternatives for Growth: The Engineering and Economics of Natural Resources Development. Cambridge, Mass.: Published for the National Bureau of Economic Research, inc., by Ballinger Pub. Co., 1978.

National Bureau of Economic Research., Charles Carter Newman Symposium on Natural Resources Engineering, Harvey J. McMains, and Lyle Wilcox. Alternatives for Growth: The Engineering and Economics of Natural Resources Development. Cambridge, Mass.: Published for the National Bureau of Economic Research, inc., by Ballinger Pub. Co., 1978.