000 00422nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aDepartment Of Scientific And Industrial Research
245 0 _aNational physical laboratory: report for the year
260 _bHER MAJESTRY S STATIONARY OFFICE
_aLONDON
_c1957
300 _aVII,104P p.
653 _aPHYSICS
942 _c1
999 _c54900
_d54900