Petts, G., & Calow, P. (1996). River restoration: : selected extracts from the rivers handbook. Oxford: Blackwell Science.
Παραπομπή Chicago StylePetts, Geoffrey, and Peter Calow. River Restoration: : Selected Extracts From the Rivers Handbook. Oxford: Blackwell Science, 1996.
Παραπομπή MLAPetts, Geoffrey, and Peter Calow. River Restoration: : Selected Extracts From the Rivers Handbook. Oxford: Blackwell Science, 1996.
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