Perhaps you should try some spelling variations:
institutes series » institute series, institutes services, institute erie
physical sciences » medical sciences
study institutes » study institute, study instutute, studiju institutas
22nato advanced » nato advanced, nato adavanced, nato advance
94 mathematical » 9.4 mathematical, 4 mathematical, 14 mathematical
2c series » 21 series, c series, 22 series

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: %22NATO Advanced Study Institutes Series%2C Series C %E2%80%94 Mathematical AND Physical Sciences%22.
• Adding a wildcard symbol may retrieve word variants: %22NATO Advanced Study Institutes Series%2C Series C %E2%80%94 Mathematical and Physical Sciences%22*.