000 00382nam a22001337a 4500
008 230821b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aD 778.1(063)
_bK4
245 _aReprographics
260 _aDarmstadt:
_bVerlag Dr. Othmar Helwich,
_c1964
300 _a397p.
700 _aHelwich, O (Ed.)
942 _cREF
_2udc
999 _c67288
_d67288