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- [42] 6TH INTERNATIONAL-SYMPOSIUM ON AUTOMATED CARTOGRAPHY PROFESSIONAL GEOGRAPHER, 1984, 36 (01): : 99 - 100
- [44] PROCEEDINGS OF THE 1984 INTERNATIONAL-SYMPOSIUM ON ELECTRON, ION, AND PHOTON BEAMS - PREFACE JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 1985, 3 (01): : 40 - 40
- [45] 6TH INTERNATIONAL-SYMPOSIUM ON THE BIOLOGICAL-CONTROL OF WEEDS, VANCOUVER, AUGUST 1984 TROPICAL PEST MANAGEMENT, 1984, 30 (04): : 475 - 475
- [47] PROCEEDINGS OF THE INTERNATIONAL-SYMPOSIUM ON OPTICAL MEMORY KOBE, JAPAN SEPTEMBER 26-28, 1989 - PREFACE JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1989, 28 : U1 - U1
- [48] PROCEEDINGS OF THE INTERNATIONAL-SYMPOSIUM ON RADIOIODINES ONTARIO, CANADA, SEPTEMBER 1980 - PREFACE JOURNAL OF RADIOANALYTICAL CHEMISTRY, 1981, 65 (1-2): : 9 - 10