Effects of sewage sludge amendment on soil aggregation.

Sort X, Alcañiz JM (1999) Effects of sewage sludge amendment on soil aggregation. Land Degradation & Development 10:3-12.

Modification of soil porosity after application of sewage sludge.

Sort X, Alcañiz JM (1999) Modification of soil porosity after application of sewage sludge. Soil Tillage & Research 49:337-345.