1. Forthcoming papers

   Announcement Pages: A5 - A5

2. Low-temperature spectroscopy of organic molecules in solids by photochemical hole burning

   • L. A. Rebane
   • A. A. Gorokhovskii
   • J. V. Kikas

   Invited Paper Pages: 235 - 250

3. Laser action in a gallium hollow cathode discharge

   • Liu Jian-bang

   Contributed Papers Pages: 251 - 253

4. CARS spectroscopy of SF₆ and UF₆

   • A. Schultz
   • G. Marowsky

   Contributed Papers Pages: 255 - 262

5. Temporal analysis of a mode-locked Nd-glass laser by four-wave mixing

   • W. Leupacher
   • A. Penzkofer

   Contributed Papers Pages: 263 - 267

6. Diode-laser radiation absorption of CF₂Cl₂ around 921 cm⁻¹ in a supersonic jet

   • G. Baldacchini
   • S. Marchetti
   • V. Montelatici

   Contributed Papers Pages: 269 - 272

7. Diagnostics of pulsed molecular beams and free jets with pyroelectric detectors and TEA CO₂ lasers

   • V. M. Aptin
   • L. M. Dorozhkin
   • G. M. Pleshkov

   Contributed Papers Pages: 273 - 278

8. Harmonic detection with tunable diode lasers —two-tone modulation

   • D. T. Cassidy
   • J. Reid

   Contributed Papers Pages: 279 - 285

9. Laser-selective enrichment of 3d-states of the Ca II ion for detecting rare radioactive isotope calcium-41

   • A. A. Makarov

   Contributed Papers Pages: 287 - 290

10. A hollow cathode bismuth ion laser

    • Zhu Xu-hui
    • Liu Jian-bang

    Contributed Papers Pages: 291 - 292