01121nam--2200361---450-99000217706020331620050218105554.03-540-20490-3000217706USA01000217706(ALEPH)000217706USA0100021770620041116h2004----km-y0enga50------baengDEa|||||||001yyBetween necessity and probabilitysearching for the definition and origin of lifeRadu PopaBerlin [etc.]Springercopyr. 2004XIII, 252 p.ill.24 cmAdvances in astrobiology and biogeophysics2001Advances in astrobiology and biogeophysicsVitaOrigine576.83POPA,Radu568704ITsalbcISBD990002177060203316576.83 POP3933 FARM.576.8300116062BKFARMARIA1020041116USA011114ANNASEN9020050218USA011055Between necessity and probability1033801UNISA