%0 Generic %D 1990 %T The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline". %A Cape, J.N %A Freer-Smith, P.H. %A Paterson, I.S. %A Parkinson, J.A. %A Wolfenden, J. %B Trees %V 4 %P 211-224 %G eng %N 4 %0 Generic %D 1981 %T Effects of urban air pollution on plant growth %A Mansfield, T.A. %A Freer-Smith, P.H. %B Riological Reviews %V 56 %P 343-368