Yazar
robert aitkin
16 cilt bulundu.
Cilt sonuçları
An Economic Analysis of the Impact of Government Programs on the Potato Industry of the United States
Edwin F. Cook, Fred E. Shubeck, J. N. Cummings, John M. MacGregor, M. F. Kernkamp, Philip William Manson, Robert E. Nylund, Roger W. Gray, Roy G. Francis · Yayınevi bilinmiyor
848 sayfa · 1953
Agricultural price supports
The Useful Metals and Their Alloys Including Mining Ventilation, Mining Jurisprudence, and Metallurgic Chemistry Employed in the Conversion of Iron, Copper, Tin, Zinc, Antimony, and Lead Ores ; with Their Applications to the Industrial Arts
John Scoffern, William Truran, Robert Oxland, W. C. Aitkin, William Vose Pickett · Yayınevi bilinmiyor
Sayfa sayısı yok · 1857
Mineral industries