Sampling soils for testing /
J. J. Genson, E. A. Liegel and E. E. Schulte.

APA Citation

Genson, J. J., Schulte, E. E., Liegel, E. A. (Edward Alan)., University of Wisconsin--Extension. Cooperative Extension Programs. (1977). Sampling soils for testing. [Madison, Wis.]: University of Wisconsin--Extension.

MLA Citation

Genson, J. J, E. E Schulte, E. A. (Edward Alan) Liegel, and University of Wisconsin--Extension. Cooperative Extension Programs. Sampling Soils for Testing. [Madison, Wis.]: University of Wisconsin--Extension, 1977.