LEADER 00000nam 2200241 a 4500
001 0442465
003 UkHlHU
007 t
008 002110 1 1970 000 eng
040 UkHlHU
050 4 QC 100 U5 M75(117)
100 1 Corliss, Edith L.R.
245 10 Hearing aids.
260 Washington, D.C. :|bU.S. Department of Commerce,|c1970.
300 24p.
440 0 National Bureau of Standards monograph 117
650 0 Measurement.
650 0 Metrology|xPhysics.
650 0 Metric system|xPhysics.
946 020 absent -- ISBN check required
946 650 |a & |x subfields only. In at least one case all
subfields comprise single words only -- Check for Geac
subject headings
946 650 has non-LCSH elements -- Check for Geac subject
headings
