Earth and its resources. Ed 2 - Vernor C. Finch; Glenn T. Trewartha M.H. Shearer (Newyork Mcgraw- Hill book company, inc, 1948)
Vernor C. Finch; Glenn T. Trewartha & M.H. Shearer: Earth and its resources. Ed 2. Newyork. Mcgraw- Hill book company, inc, 1948.--(910.02FIN)
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