00483nam a2200169Ia 4500003000900000008004100009020001800050040001600068080002200084100002400106245004700130260004200177300001300219490005000232650001400282650001700296IN-BaIIA211028s9999    xx            000 0 eng d  a90-277-0157-1  cIIA Library  a52(082.1)bASS-18  aPecker, Jean-Claude 0aExperimental astronomycJean-Claude Pecker  aDordrechtbD. Reidel Publishingc1970  ax, 105p.  aAstrophysics and space science library; v. 18  aAstronomy  aAstrophysics