*0011530576 *008880408s1987 xx# 000 0 nob *019 $bk *08230$a363.739 *100 $aGrahl-Nielsen, Otto$_130854400 *245 $aIdentifisering av oljespill$cOtto Grahl-Nielsen *300 $aS. [179]-182 *773 $tNaturen$gÅrg. 111, nr 5 (1987)$x0028-0887$w(NO-LaBS)533618(tnr) *999 $z8800097409$anorart:8800097409 ^