000 00311nam a22000977a 4500
008 230817b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aRevista de:
_bCiencias quimicas
260 _aCuba:
_bCentral National Investigations Scientific
942 _cCR
999 _c58946
_d58946