TY - GEN AU - Saunders,M A AU - Rohlfing,D L TI - Polyamino acids: preparation from reported proportions of "prebiotic" and extraterrestrial amino acids SN - 0036-8075 PY - 2010///0702 N1 - Publication Type: Journal Article UR - https://doi.org/10.1126/science.176.4031.172 ER -