2004 | ||
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2 | EE | Michael L. Nelson, JoAnne R. Calhoun, Calvin E. Mackey: The OAI-PMH NASA technical report server. JCDL 2004: 400 |
1 | EE | Michael L. Nelson, Johan Bollen, JoAnne R. Calhoun, Calvin E. Mackey: User evaluation of the NASA technical report server recommendation service. WIDM 2004: 144-151 |
1 | Johan Bollen | [1] |
2 | Calvin E. Mackey | [1] [2] |
3 | Michael L. Nelson | [1] [2] |