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100   $a20180820j198209    ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aIntercepted photosynthetically active radiation in wheat canopies estimated by spectral reflectance /$fJ.L. Hatfield, G. Asrar, and E.T. Kanemasu
210  1$a[Washington, D.C.] :$c[National Aeronautics and Space Administration],$dSeptember 1982.
215   $a1 online resource (various pagings) $cillustrations
225 1 $aNASA/CR ;$v171758
300   $a"September 1982."
300   $a"A joint program for agriculture and resources inventory surveys through aerospace remote sensing."
320   $aIncludes bibliographical references (pages 9-10).
517 1 $aAgRISTARS
606   $aAgRISTARS project$2nasat
606   $aMoisture content$2nasat
606   $aPhotosynthesis$2nasat
606   $aVegetative index$2nasat
606   $aMultispectral band scanners$2nasat
615  7$aAgRISTARS project.
615  7$aMoisture content.
615  7$aPhotosynthesis.
615  7$aVegetative index.
615  7$aMultispectral band scanners.
700   $aHatfield$b Jerry L.$072670
702   $aAsrar$b Ghassem
702   $aKanemasu$b Edward T.
712 02$aUnited States.$bNational Aeronautics and Space Administration,
801  0$bGPO
801  1$bGPO
801  2$bGPO
906   $aBOOK
912   $a9910709989503321
996   $aIntercepted photosynthetically active radiation in wheat canopies estimated by spectral reflectance$93506456
997   $aUNINA