1. Influence of environmental factors on the wood structure of living and fossil trees

   • G. T. Creber
   • W. G. Chaloner

   OriginalPaper Pages: 357 - 448

2. Botanical aspects of Acidic precipitation

   • Lance S. Evans

   OriginalPaper Pages: 449 - 490

3. Clover rot

   • Simon W. Scott

   OriginalPaper Pages: 491 - 504