The abstract signs are, indeed, fascinating but they are also extremely enigmatic. For more than a century, they have defied all attempts to interpret them. Today they are largely forgotten" (Forbes & Crowder 1979: 350)
The abstract signs are, indeed, fascinating but they are also extremely enigmatic. For more than a century, they have defied all attempts to interpret them. Today they are largely forgotten"(Forbes & Crowder 1979: 350)