000
00278nam a22000977a 4500
008
230823b |||||||| |||| 00| 0 eng d
040
_a
National Science Library
_c
National Science Library
245
_a
Tetrahedron letters
260
_a
Oxford:
_b
Pergamon Press,
942
_c
CR
_2
udc
999
_c
59499
_d
59499