@base . a , , ; , , ; "Packaging world international." ; ; ; "1465-4393" ; ; "1465-4393" ; ; "1465-4393" ; "Packaging world international." , "Packaging world international (1998)" ; . a ; "1465-4393" ; . . a ; ; "20040609190900.0"^^ ; ; . "United Kingdom" . a . a ; . a , ; "Packaging world international (1998)" . a ; "1465-4393" ; .