LEADER 01385oam 2200397Ia 450 001 9910701044103321 005 20111128152711.0 035 $a(CKB)5470000002414597 035 $a(OCoLC)679545504$z(OCoLC)655585920 035 $a(EXLCZ)995470000002414597 100 $a20101108d1980 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe mid-net zipper ridge a possible cause of unobserved porpoise mortality$b[electronic resource] /$fDavid B. Holts 210 1$aLa Jolla, Calif. :$cU.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southwest Fisheries Center,$d[1980] 215 $a1 online resource (3 pages) $cillustrations 225 1 $aNOAA-TM-NMFS-SWFC ;$v3 300 $aTitle from title screen (viewed on Nov. 28, 2011). 300 $a"May 1980"--Cover. 606 $aPorpoises 606 $aPurse seining 615 0$aPorpoises. 615 0$aPurse seining. 700 $aHolts$b D. B$01398955 712 02$aSouthwest Fisheries Center (U.S.) 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bGPO 906 $aBOOK 912 $a9910701044103321 996 $aThe mid-net zipper ridge a possible cause of unobserved porpoise mortality$93484342 997 $aUNINA