@article{articleabca2be4, title = {The use a surface gamma-neutron gauge to explore compacted soil layers}, author = {Cassaro, F A M and Tominaga, T T and Bacchi, Osny Oliveira Santos and Reichardt, Klaus and Oliveira, J. C. M. de and Timm, L C}, year = {2000}, journal = {Soil Science} }