000 00451nam a2200169Ia 4500
005 20250114175045.0
008 250113s9999 xx 000 0 und d
041 _aeng
082 _bF9.23
_aCm72:N29
100 _aCanada, Nat. Res. Council
245 _aCanadian Journal Of Res. Sec. A. Physical Sci.
260 _c1949
_bNat. Res. Council
_aCanada
300 _av,233
365 _cRs.
650 _aCm72:N29
700 _aCanada, Nat. Res. Council
999 _c26517
_d26517