@base . a , ; "Physica. A (Print)" . a . a ; . "Netherlands" . a ; "0378-4371" ; . a ; "0378-4371" ; . a ; ; "20081209131900.0"^^ ; ; . a , , ; , , ; "Physica." ; ; ; ; "0378-4371" ; ; ; "0378-4371" ; ; "0378-4371" ; "Physica." , "Physica. A (Print)" ; . .