Program: HathiTrust Digital Library
- Publisher: Philips Research Laboratories
- Print ISSN: 0031-7918
- Electronic ISSN:
- OCLC Number: 1762262
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
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v.1 1945-1946; v.1-2 (Oct 1945-1947); v.2 1947; v.3 1948; v.4 1949; v.5 1950; v.6 1951; v.7 1952; v.8 1953; v.9 1954; v.10 1955; v.11 1956; v.12 1957; v.13 1958; v.14 1959; v.15 1960; v.16 1961; v.17 1962; v.18 1963; v.19 1964; v.20 1965; v.21 (1966); v.22 (1967); v.23 (1968); v.24 (1969); v.25 (1970); v.26 (1971); v.27 (1972); v.28 (1973); v.29 (1974); v.30; v.30 (1975); v.30 no.1-4 1975; v.30 no.5-6 1975; v.31 (1976); v.32 (1977); v.30:suppl.; Suppl.
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committed to retain | 2012-04-04 | HTDL |
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