Παρόμοια τεκμήρια

• Natural resources /
  Έκδοση: (1959)
• Natural resources : the economics of conservation /
  ανά: Scott, Anthony
  Έκδοση: (1955)
• Natural resource ecology /
  ανά: Cain, Stanley A.
  Έκδοση: (1969)
• Manual for the geography of natural resources /
  ανά: Barrett, Ward J.
  Έκδοση: (1963)
• Natural resources and economic growth : papers presented at a conference held at Ann Arbor, Michigan, April 7-9, 1960 /
  Έκδοση: (1961)