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1od Williams, Paul W. (Paul Worthing)Teme “...Watershed management New Zealand...”
Izdano 1983
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2
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3
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4Izdano 1982Teme “...Watershed management New Zealand Mataura River....”
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5Izdano 1978Teme “...Watershed management New Zealand Taranaki....”
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6Izdano 1989Teme “...Watershed management New Zealand...”
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7Izdano 2012Teme “...Watershed management New Zealand Canterbury....”
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8
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9
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10
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11
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12
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13Izdano 2010Teme “...Watershed management New Zealand Waipara River....”
Archived copy available at the National Library of New Zealand
Elektronički e-knjiga -
14
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15Izdano 2011Teme Connect to electronic resource
Archived copy available at the National Library of New Zealand
Elektronički e-knjiga -
16
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17od Williams, Paul W. (Paul Worthing)Teme “...Watershed management New Zealand Auckland (Region)...”
Izdano 1983
Knjiga -
18
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19Izdano 2011Teme Connect to electronic resource
Archived copy available at the National Library of New Zealand
Elektronički e-knjiga -
20