Minden másképpen van. (Ötvenkét vasárnap) [Everything is Different. (Fifty-Two Sundays)]
THE RARE FIRST EDITION OF THE BOOK THAT INTRODUCED THE IDEA OF “SIX DEGREES OF SEPARATION” AS A FUNDAMENTAL CHARACTERISTIC OF SOCIAL NETWORKS. More about Minden másképpen van. (Ötvenkét vasárnap) [Everything is Different. (Fifty-Two Sundays
Price: $7,500 .