Talk:Ismenius Lacus quadrangle

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Bad ISBN[edit]

Because it is causing a Checkwiki error #72: "ISBN-10 with wrong checksum", I removed the ISBN from the entry:

ISBN 0-8165-1247-4 Parameter error in {{ISBN}}: checksum

An ISBN alone is not a reference; when it's invalid, it's useless. Knife-in-the-drawer (talk) 09:28, 3 May 2015 (UTC)[reply]