00784nam a2200193Ia 4500003000900000008004100009020001800050040001600068080001300084111008700097245013800184260003400322300001400356650004100370700003400411942000700445999001700452952012100469IN-BaIIA211028s9999    xx            000 0 eng d  a3-540-50818-X  cIIA Library  a389bMAR  aSymposium on Frequency Standards and Metrologyn4thcItalyd1988 Sept. 5-9917846 0aFrequency standards and metrologybproceedings of the fourth symposium, Ancona, Italy, September 5-9,1988cedited by Andrea De Marchi  aBerlinbSpringer-Verlagc1989  axx, 484p.  aAstronomy and Astrophysics Thesaurus  aMarchi, Andrea De, ed.917847  cBK  c10499d10499  00104070aBANbBANcGENd1992-11-25g2994.60l0o389/ MARp11410r2021-11-05v2994.60w1992-11-25yBKGRs. 2994.60