000 00329nam a22001217a 4500
008 240912b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aR 669(03)=945.11
_bJ5
245 _aNyersvasgyartas
260 _aBudapest:
_c1955
300 _avii, 764p.
942 _2udc
_cREF
999 _c67260
_d67260