00312nam a2200109Ia 4500008004100000020001800041082001600059100002000075245006400095260003100159300001200190191014s9999    xx            000 0 und d  a0-465-09087-7  a530.11bWIL  aClifford M.Will 0aWas Einstein Right? Putting General Relativity to the Test   aUSAbHarper Collins c1986  aXii,290