Soil chemistry basic concepts por Byju, G.

Soil analysis in forensic taphonomy chemical and biological effects of buried human remains

Advanced soil mechanics por Das, Braja M. 1941-

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Soils in our environment por Gardiner, Duane T.

Table of contents only

The nature and properties of soils por Brady, Nyle C.

Encyclopedia of soil science

Soils in our environment por Gardiner, Duane T.

Table of contents only

Soil science simplified por Eash, Neal Samuel

The Philippines recommends for conservation farming in the sloping lands, vol. 1 contour farming.

Seven new species of Dolicheremaeus (Acari Otocepheidae) from the Samar Island Natural Park, Philippines.