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100 1 $aCicogna, Giampaolo$062317
245 10$aSymmetry and perturbation theory in nonlinear dynamics /$cGiampaolo Cicogna, Giuseppe Gaeta
260   $aBerlin :$bSpringer-Verlag,$c1999
300   $axi, 208 p. ;$c25 cm.
490 0 $aLecture Notes in Physics. New series m : Monographs ;$v57
650  4$aDifferentiable dynamical systems
650  4$aNormal forms (Mathematics)
650  4$aPerturbation (Mathematics)
650  4$aSymmetry (Physics)
700 1 $aGaeta, Giuseppe$eauthor$4http://id.loc.gov/vocabulary/relators/aut$039852
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996   $aSymmetry and perturbation theory in nonlinear dynamics$91445110
997   $aUNISALENTO
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200 10$aImproving ruminant production and reducing methane emissions from ruminants by strategic supplementation /$fR.A. Leng
210  1$a[Washington, D.C.] :$cUnited States Environmental Protection Agency, Air and Radiation,$d1991.
215   $a1 online resource (105 pages)
300   $a"May 1991."
300   $a"EPA/400/1-91/004."
300   $a"June 1991"--PDF cover.
320   $aIncludes bibliographical references (pages 100-105).
606   $aRuminants
606   $aMethane
606   $aPollution prevention
615  0$aRuminants.
615  0$aMethane.
615  0$aPollution prevention.
700   $aLeng$b R. A.$01419043
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