000 00282nam a22000977a 4500
001 10646
090 _a10646
099 _tARC
_zALEX22939
_fCorrespondance
100 _a20241101ds.d. m||y0frey50 ba
200 _aPaul Langevin.
_eCorrespondance
700 _aKAPITZA
_bP. L.
_4070