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Preliminary Notice on the Experimental Hybridization of Echinoids
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- Journal:
- Journal of the Marine Biological Association of the United Kingdom / Volume 9 / Issue 2 / October 1911
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- 16 October 2009, pp. 121-141
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The United Nations University and its Programmes
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- Journal:
- Environmental Conservation / Volume 6 / Issue 1 / Spring 1979
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- 24 August 2009, pp. 11-12
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The United Nations University and Natural Resources
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- Journal:
- Environmental Conservation / Volume 6 / Issue 2 / Summer 1979
- Published online by Cambridge University Press:
- 24 August 2009, pp. 125-126
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Impact of agricultural management on nitrate concentrations in drainage waters
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- Journal:
- American Journal of Alternative Agriculture / Volume 13 / Issue 3 / September 1998
- Published online by Cambridge University Press:
- 30 October 2009, pp. 105-110
- Print publication:
- September 1998
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