000 00426nam a22001457a 4500
001 11958
090 _a11958
099 _tARC
_zALEX24251
_aScientifique
_fCorrespondance
100 _a20241101d1924 m||y0frey50 ba
200 _aPaul Langevin.
_eCorrespondance
214 _aBerlin
_d27/10/1924
307 _aPhotocopie Lettre
327 _aEn allemand.
700 _aEinstein
_bAlbert
_4070
701 _aLangevin
_4660