Number of the records: 1
extremely low frequencies
SYS 0030081 LBL 00000nz--a22^^^^^n--4500 003 SK-STU 005 20180403141255.2 008 180403|n|acnnnbabn-----------n-ana-----d 040 $a STU $b slo 150 $a extremely low frequencies 980 $x K
Number of the records: 1