00700nam a2200217Ia 4500003000900000008004100009020001800050040001600068080001500084100003000099245007200129250000900201260003900210300001500249650002200264650003400286650004900320942000700369999001500376952009100391IN-BaIIA211028s9999    xx            000 0 eng d  a0-7167-0353-X  cIIA Library  a524.6bBRA  aBracewell, Ronald N98703 4aThe Galactic clubbintelligent life in outer spacecR. N. Bracewell  arep.  aSan FranciscobW. H. Freemanc1975  axii, 141p.  a Cosmology98403  a Galaxy distribution 98704  aAstronomy and astrophysics thesaurus 91143  cBK  c4871d4871  00104070aBANbBANcGENd1976-06-30l0o524.6/ BRAp5451r2021-11-05w1976-06-30yBK