00742nam a2200193Ia 4500003000900000008004100009020001800050040001600068080001500084111007600099245015200175260003400327300001400361650004100375650001900416650001200435700002500447710007600472IN-BaIIA211028s9999    xx            000 0 eng d  a3-540-06065-0  cIIA Library  a52-37bORI  aConference on Origins of Lifen4thcElkridge, Marylandd1971 Apr. 13-16 0aPlanetary astronomybproceedings of the fourth conference on Origins of Life held in Elkridge, Maryland, April 13-16, 1971cedited by Lynn Margulis  aBerlinbSpringer-Verlagc1973  axi, 268p.  aAstronomy and astrophysics thesaurus  aOrigin of life  aPlanets  aMargulis, Lynn., ed.  aInterdisciplinary Communications Program of the Smithsonian Institution