Results 181 to 190 of about 128,824 (253)

Nitrogen isotopes in ice core nitrate linked to anthropogenic atmospheric acidity change. [PDF]

open access: yesProc Natl Acad Sci U S A, 2014
Geng L   +6 more
europepmc   +1 more source

Stable Isotope and Elemental Characteristics for Origin Identification of Rice from China and Thailand. [PDF]

open access: yesPlants (Basel)
Xing X   +7 more
europepmc   +1 more source

Isotopic evidence of increased societal diversification in Pre-Columbian Panama. [PDF]

open access: yesPLoS One
Sharpe AE   +10 more
europepmc   +1 more source

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