000 00771nam a2200229Ia 4500
003 HQRS
005 20180418005229.0
008 150617s2014 xx 000 0 eng d
040 _aHQRS
_beng
_cHQRS
041 _heng
110 _aNational Materials Advisory Board
245 _aTrends in usage of rare earths:
_breport of the panel on rare earths of the committee on the technical aspects of critical and strategic materials
260 _aWashington:
_bNRC, NAS-NAE,
_c1970
300 _axiii, 81p.:
_bill.;
_c27cm.
650 _aRare earths
650 _aRare earths
_xElectrical properties
650 _aRare earths
_xOptical properties
650 _aRare earths
_xSpectra
650 _aRare earths
_xMagnetic properties
365 _aINR
942 _2udc
_cBK
999 _c7302
_d7302