Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Nat. | Name | Moving to | Type | Transfer window | Transfer fee | Source |
| --- | --- | --- | --- | --- | --- | --- |
| BRA | Edmílson | Villarreal | Contract Termination | Summer | Free | Barcelona.cat |
| ITA | Zambrotta | Milan | Transfer | Summer | €9M + €2M in variables | Barcelona.cat |
| MEX | Dos Santos | Tottenham Hotspur | Transfer | Summer | €6M + €5M in variables | Barcelona.cat |
| FRA | Thuram | Retired | Contract Termination | Summer | Free | Barcelona.cat |
| ESP | Ezquerro | Osasuna | Contract Termination | Summer | Free | Barcelona.cat |
| POR | Deco | Chelsea | Transfer | Summer | €10M | Barcelona.cat |
| BRA | Ronaldinho | Milan | Transfer | Summer | €21M + €4M in variables | Barcelona.cat |
| BRA | Henrique | Bayer Leverkusen | Loan | Summer | N/A | Barcelona.cat |
| ESP | Oleguer | Ajax | Transfer | Summer | €3M + €2,25M in variables | Barcelona.cat |
| ESP | Crosas | Celtic | Transfer | Summer | €0.5M + €0.8M in variables | Barcelona.cat |
Question:
WHAT IS THE SOURCE WITH A TYPE OF TRANSFER AND MEX?
Answer:
Barcelona.cat