LEADER 00906nam0-22003011i-450- 001 990000466880403321 005 20090224110515.0 010 $a3-540-50818-X 035 $a000046688 035 $aFED01000046688 035 $a(Aleph)000046688FED01 035 $a000046688 100 $a20020821d1989----km-y0itay50------ba 101 0 $aeng 105 $aa-------101yy 200 1 $aFrequency standards and metrology$eproceedings of the Fourth symposium, Ancona, Italy, september 5-9, 1988$feditor A. De Marchi 210 $aBerlin$cSpringer-Verlag$dİ1989 215 $a484 p.$cill.$d24 cm 610 0 $aMetrologia$aCongressi 676 $a389.1 700 1$aDe Marchi,$bA.$025759 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990000466880403321 952 $a10 PRO 294$b858 DEE$fDINEL 959 $aDINEL 996 $aFrequency standards and metrology$9331775 997 $aUNINA