title: Chemical evolution and the origin of life:  bibliography supplement 1981.
abstract: This bibliography is the twelfth annual supplement to the comprehensive bibliography on the same subject which was published in Space Life Sci. 2 (1970), 225-295; 3 (1972), 293-304; 4 (1973), 309-329 and in Origins of Life 5 (1974), 505-527; 6 (1975), 285-300; 7 (1976), 75-85; 8 (1977), 59-66; 9 (1978), 67-74; 10 (1980), 69-87; 10 (1980), 379-404; 11 (1981), 273-288; 12 (1982), 93-118.
authors.affiliation: Science Communication Division, The George Washington University Medical Center, Washington, DC 20037, USA.
authors.forename: L G
authors.initials: LG
authors.lastname: Pleasant
authors.forename: C
authors.initials: C
authors.lastname: Ponnamperuma
mesh_terms: D000596:Amino Acids / Q000737:chemistry; D001272:Atmosphere; D018534:Earth, Planet; D019418:Evolution, Chemical; D019143:Evolution, Molecular; D005118:Extraterrestrial Environment; D019110:Meteoroids; D000069497:Origin of Life; D013026:Space Flight
chemical_list: D000596:Amino Acids