000
00249nam a22000977a 4500
008
230630b |||||||| |||| 00| 0 eng d
040
_a
National Science Library
_c
National Science Library
245
_a
ETHZ
260
_b
ZURICH
_c
1972
942
_c
CR
_2
udc
999
_c
64820
_d
64820