000 00298nam a22000977a 4500
008 230913b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aOrszagos muszaki konyvtar es dokumentacios kozpont
260 _bBudapest
_c1964
942 _cBK
_2udc
999 _c65452
_d65452