TY - JOUR A1 - Hansen, R A A1 - Williams, R S A1 - Degenhardt, D C A1 - Lincoln, D E T1 - Non-litter effects of elevated CO2 on forest floor microarthropod abundances. Y1 - 2001/10/ N1 - R825861 JF - PLANT AND SOIL J1 - PLANT SOIL VL - 236 IS - 2 SP - 139 EP - 144 ER -