004380000a22001210004500082002200000100002300022100001900045245013800064260002700202260000900229300000800238650007000246  a574.  526  42 BOR  aBormann, Herbert F  aLikens, Gene E  aPattern and process in a forested ecosystem: disturbance, development and the steady state based on the hubbard brook ecosystem study  aU S A, Springer Verlag  c1979  a255  aForest ecology- newhampshine/forest ecology- hubbard brook valley