Dopheide, J. C. R., & Verstraten, J. M. (1994). Haarlemmerhout X: onderzoeksrapportage 1994. Unknown Publisher.
van der Salm, C., & Verstraten, J. M. (1994). Acid neutralization mechanisma in three acid sandy soils. Geoderma, (63), 227-243.
Bouten, W., Verstraten, J. M., Heimovaara, T. J., Freijer, J. I., & de Jonge, H. (1994). Biorestoration of oil contaminated soils with landfarming: environmental influences. Unknown Publisher.
Verstraten, J. M., Heimovaara, T. J., Hoitinga, L., & van Wijk, A. J. (1994). Heavy metals in poor sandy soils and associated groundwater. Unknown Publisher.