Polymer amide as a carrier of 15N in Allende and Acfer 086 meteoritesOPEN ACCESS
Maclolm W McGEOCH, Tomáš ŠAMOŘIL, David ZAPOTOK, Julie E M McGEOCH PDF (OPEN ACCESS) “Polymers of amino acids have been found in Allende and Acfer 086, with extra-terrestrial origin evidenced by isotopically enhanced satellite peaks…