The ecology of natural resources [printed text] / SIMMONS, I.G. ; , . - 2nd ed. . - London : Edward Arnold, 1981 . - , viii, 438p. :ill + maps, ,. ISBN : 978-0-7131-6328-5 Languages : (En)
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The ecology of natural resources [printed text] / SIMMONS, I.G. ; , . - 2nd ed. . - London : Edward Arnold, 1981 . - , viii, 438p. :ill + maps, ,. ISBN : 978-0-7131-6328-5 Languages : (En)
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