O-Ton und Heidi
|Parallel title||Zur Verwendung des Cassettenrecorders an der Schule für Geistigbehinderte|
To certify an error-free transfer of documents from our server to your home, the checksum of the file on our server is compared to the checksum of the file you have downloaded. If both checksums match, the file was probably not altered during the download procedure.
To this purpose, we offer three current checksums of the files on the server here.