00450naa a2200133 a 450000100080000000500110000800800410001910000200006024501330008026000090021365000150022270000160023777300630025312804192014-08-07       1988    bl ---       0--  u    #d1 aSPARLING, G. P.  aA direct extraction method to estimate soil microbial CbCalibration in situ using microbial respiration and 14C labelled cells.  c1988  aextraction1 aWEST, A. W.  tSoil Biology and Biochemistrygv.20, n.3, p.337-343, 1988.