00459nam a2200133Ia 4500008004100000082002800041100001100069245007800080260002400158300000800182942000700190952011100197999001700308140113s9999    xx            000 0 und d  a634.16/018 (082.2)   L1  aUNESCO  aProductivity of forest ecosystems :Proceedings of the Bruselils symposium  a1971bUNESCOcParis  a707  cBK  00104070aVTLbVTLd2014-01-13l0o634.16/018 (082.2)   L1pVBK2512r2014-01-13 00:00:00w2014-01-13yBK  c59193d59193