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200 1 $aCurrent ripples$etheir relation to patterns of water and sediment motion$fJohn R. L. Allen
210   $aAmsterdam$cNorth-Holland publ. co.$d1968
215   $aXIII, 433 p.$cill.$d27 cm.
410  0$12001
610 1 $aAmbiente marino
676   $a551.3$v14$9Processi superficiali ed esogeni e loro agenti
700  1$aAllen,$bJohn R. L.$0285775
801  0$aIT$bUNIPARTHENOPE$c20100727$gRICA$2UNIMARC
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