Directory of information resource in the United States: Physical sciences, biological sciences & Engineering
Directory of information resource in the United States: Physical sciences, biological sciences & Engineering
/ National Referral Center for Science and Technology
- Washington: National Referral Centre for Science and Technology, 1965
- iv, 349p.
Library science
Information science Science
D 002.6:5/6(73) / K5
Library science
Information science Science
D 002.6:5/6(73) / K5