000
00267nam a2200097 4500
008
240911b |||||||| |||| 00| 0 eng d
040
_a
National Science Library
_c
National Science Library
080
_a
626.81/86(063)
245
_a
Sixth congress 1966
942
_2
udc
_c
REF
999
_c
66798
_d
66798