000 00280nam a22000977a 4500
008 231030b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aActa technica
260 _aBudapest:
_bAkademia Kiado,
_c1957
942 _cCR
_2udc
999 _c62852
_d62852