共 50 条
- [43] INTERNATIONAL SYMPOSIUM ON TELEINFORMATION - UNESCO - MARCH 24-28 1969 MESURES REGULATION AUTOMATISME, 1969, 34 (06): : 92 - &
- [44] INTERNATIONAL SYMPOSIUM ON RADIOECOLOGY IN CADARACHE FROM 8 TO 12 SEPTEMBER 1969 BULLETIN D INFORMATIONS SCIENTIFIQUES ET TECHNIQUES, 1969, (142): : 73 - &
- [45] INTERNATIONAL SYMPOSIUM ON ANALYTICAL CHEMISTRY, BIRMINGHAM, 21-25 JULY 1969 APPLIED OPTICS, 1969, 8 (12): : 2496 - &
- [46] INTERNATIONAL SYMPOSIUM ON OCCUPATIONAL SAFETY AND HEALTH PERIODICALS ILO GENEVA, JULY 1969 INDUSTRIAL MEDICINE AND SURGERY, 1969, 38 (10): : 26 - &