1. Is functional manganese involved in hydrogen-peroxide-stimulated anomalous oxygen evolution in CACl₂-washed photosystem II membranes?

   • Steven P. Berg
   • Michael Seibert

   Regular Papers Pages: 3 - 17

2. State 1/State 2 changes in higher plants and algae

   • W. Patrick Williams
   • John F. Allen

   Minireview Pages: 19 - 45

3. Comparison of photosystem II complexes isolated from tobacco and two chlorophyll deficient tobacco mutants

   • Susanne Specht
   • Elfriede K. Pistorius
   • Georg H. Schmid

   Regular Papers Pages: 47 - 56

4. Kinetic study of P^F and Car^T states in the LM subunit purified from the wild-type Rhodobacter sphaeroides reaction centers

   • Pierre Sebban
   • Lars Lindqvist

   Regular Papers Pages: 57 - 67

5. Assocation of the 33 kDa extrinsic polypeptide (water-splitting) with PS II particles: immunochemical quantification of residual polypeptide after membrane extraction

   • Edith L. Camm
   • Beverley R. Green
   • L. Andrew Staehelin

   Regular Papers Pages: 69 - 80

6. Effects of periodic fluctuations of photon flux density on anatomical and photosynthetic characteristics of soybean leaves

   • J. P. Gaudillere
   • J. J. Drevon
   • M Euvrard

   Regular Papers Pages: 81 - 89

7. Letter to the editor

   • René Wurmser

   Historical Corner Pages: 91 - 93

8. Book reviews

   BookReview Pages: 95 - 98

9. Obituary

   • Gy Garab
   • L. Mustárdy
   • S. Demeter

   Announcement Pages: 99 - 100