|  | Vol.48 , No.5 (1999) Contents
 
 |  | 
| Review |  | 
|  | Photo-Excited  State Dynamics of van der Waals Molecules | 
|  | Kazuhiko SHIBUYA and Kazuhide TSUJI | 193 | 
| Practical  Techniques |  | 
|  | Shall  We Program ? | 
|  | Gota KAWAI | 207 | 
| Saloon | 208 | 
| Topics | 212 | 
| Book  Reviews | 215 | 
| Lecture |  | 
|  | Modern  Microspectroscopy with Multiphoton Process and Near-Field Optics |  | 
|  | V. Two-Photon  Photochromism |  | 
|  | Masahiro IRIE and Tsuyoshi KAWAI | 216 | 
|  |  |  |