000 00350nam a22001217a 4500
001 12951
090 _a12951
099 _tARC
_zALEX25244
_fCorrespondance
100 _a20241101d1914 m||y0frey50 ba
200 _aPaul Langevin.
_eCorrespondance
214 _d24/05/1914
307 _aLettre
700 _aKnudsen, Martin et Lorentz
_bH.A.
_4070