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100   $a20070814d2007      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aAmplitude variation of bottom simulating reflection with respect to frequency--transitional base or attenuation?$b[electronic resource] /$fby Myung W. Lee
205   $aVersion 1.0.
210  1$aReston, Va. :$cU.S. Geological Survey,$d2007.
215   $aiii, 12 pages $cdigital, PDF file
225 1 $aScientific investigations report ;$v2007-5091
300   $aTitle from PDF title screen (viewed on Aug. 13, 2007).
320   $aIncludes bibliographical references (pages 9-10).
606   $aNatural gas$xHydrates$xEnvironmental aspects
606   $aSeismic prospecting$zSouth Carolina
606   $aNatural gas in submerged lands$zSouth Carolina
615  0$aNatural gas$xHydrates$xEnvironmental aspects.
615  0$aSeismic prospecting
615  0$aNatural gas in submerged lands
700   $aLee$b Myung W$01381438
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bGPO
906   $aBOOK
912   $a9910695912303321
996   $aAmplitude variation of bottom simulating reflection with respect to frequency--transitional base or attenuation$93547152
997   $aUNINA