*0011499178 *008850327s1984 xx# 000 0 eng *019 $bk *08230$a551.47 *100 $aKjeldsen, Søren Peter$_163748500 *245 $aDangerous wave groups$cSøren Peter Kjeldsen *300 $aS. 4-16 : ill., port. *773 $tNorwegian maritime research$gVol. 12, no. 2 (1984)$x0304-1743$w(NO-LaBS)259975(tnr) *999 $z8500067254$anorart:8500067254 ^