000 00278nam a22000977a 4500
008 230823b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aTetrahedron letters
260 _aOxford:
_bPergamon Press,
942 _cCR
_2udc
999 _c59499
_d59499