Relationship between the amount and the activity of the microbial biomass in dutch grassland soils : comparison of the fumigation-incubation method and the Substrate-induced respiration method text Ind 6 p. : ill. ; 27 cm. 6 p. : ill. ; 27 cm. Repr. from : Soil Biol. Biochem, Vol. 25(5) 1993 : p. 533-538 Bibl. : p. 538. HASSINK, J. SOIL BIOLOGY GRASSLANDS NETHERLANDS 631.46 INLIS000000000004188 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)