000
00268nam a22000977a 4500
008
230712b |||||||| |||| 00| 0 eng d
040
_a
National Science Library
_c
National Science Library
245
_a
Amatematika tanitasa
260
_b
ecfolyam
_c
1972
942
_c
CR
_2
udc
999
_c
65963
_d
65963