00425nam a22001337a 450000500170000000800410001702000150005804100080007308200180008110000190009924501090011826000480022730000160027520260421082337.0260421b        |||||||| |||| 00| 0 eng d  a0387060669  aeng  a577.06bMAR/P  aMargulis, Lynn  aproceedings of the Fourth Conference on Origins of Life Chemistry and Radioastronomyc/ by Lynn Margulis  aNew York:bSpringer- Verlag Berlin, c1973.  axvi, 291p.;