共 56 条
- [1] ALLEN ES, 1929, SCIENCE, V70, P552
- [3] BARRETT RL, 1957, J CHEM EDUC, V34, P35
- [4] BAYER AE, 1966, SOCIOL EDUC, V39, P382
- [5] BECK LN, 1971, J AM SOC INFORM SCI, V22, P85
- [6] BRADFORD SC, 1953, DOCUMENTATION, P2
- [7] BROWN CH, 1956, ACRL16 MON
- [8] CITATIONS IN AMERICAN ENGINEERING JOURNALS .1. CHEMICAL-ENGINEERING [J]. AMERICAN DOCUMENTATION, 1959, 10 (01): : 70 - 73
- [9] CITATIONS IN AMERICAN ENGINEERING JOURNALS .3. METALLURGICAL ENGINEERING [J]. AMERICAN DOCUMENTATION, 1959, 10 (03): : 209 - 213
- [10] CITATIONS IN AMERICAN ENGINEERING JOURNALS, .2. MECHANICAL ENGINEERING [J]. AMERICAN DOCUMENTATION, 1959, 10 (02): : 135 - 137