共 50 条
- [3] ON 2ND PACEMAKERS CONFERENCE OF BRANCH OF INDUSTRY [J]. ZELLSTOFF UND PAPIER, 1969, 18 (07): : 193 - &
- [4] 2ND NATIONAL CONFERENCE ON CARDIOVASCULAR DISEASE [J]. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1964, 190 (01): : 60 - &
- [6] 2ND NATIONAL CONFERENCE ON PHYSICIANS AND SCHOOLS [J]. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1949, 141 (14): : 996 - 996
- [8] 2ND NATIONAL CONFERENCE ON PAKISTAN GEOGRAPHY [J]. ANNALES DE GEOGRAPHIE, 1970, 79 (432): : 222 - &
- [10] 2ND REPUBLICAN SCIENTIFIC AND TECHNICAL CONFERENCE ON SURFACING [J]. AUTOMATIC WELDING USSR, 1975, 28 (08): : 63 - 64