Single non-existing indent in bibliography

Hello

I am writing my Bachelorthesis on a Win7 System with Word 2010 and Endnote X4. For my bibliography i have chosen the IEEE style. Now the problem came up that two single references do not follow the citation style. They don’t have a indention (see picture: reference 2 and 9) . I already tried to do Manual changes, but they don’t get saved.

Problems with Bibliography

Does anyone of you know how to solve this? Thank you in advance

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Thank your for the fast help Leanne.

Greetings

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