共 50 条
- [21] CONTRACT R-AND-D COMPANIES - A 4TH ESTATE ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1985, 189 (APR-): : 18 - SCHB
- [22] FEDERAL INCOME AND ESTATE TAX LAWS, 4th edition UNIVERSITY OF PENNSYLVANIA LAW REVIEW AND AMERICAN LAW REGISTER, 1930, 78 (04): : 578 - 579
- [24] SELF-HELP GROUPS - THE 4TH ESTATE IN MEDICINE BRITISH MEDICAL JOURNAL, 1986, 293 (6562): : 1596 - 1600
- [26] Introduction to Physiological Chemistry, 4th edition AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH, 1938, 28 (09): : 1132 - 1133
- [27] Preface of the 4th symposium on mathematical chemistry RECENT PROGRESS IN COMPUTATIONAL SCIENCES AND ENGINEERING, VOLS 7A AND 7B, 2006, 7A-B : 1340 - 1342