Jensen, R. A. (1963). National federation of science abstracting and indexing services: Proceedings of annual meeting ; ed. Raymond A. Jensen. Washington, D.C: NFSAIS.
Παραπομπή Chicago StyleJensen, Raymond A. National Federation of Science Abstracting and Indexing Services: Proceedings of Annual Meeting ; Ed. Raymond A. Jensen. Washington, D.C: NFSAIS, 1963.
Παραπομπή MLAJensen, Raymond A. National Federation of Science Abstracting and Indexing Services: Proceedings of Annual Meeting ; Ed. Raymond A. Jensen. Washington, D.C: NFSAIS, 1963.
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