Gaya APA

Machado, S. (2005). The use of the ground penetratating radar, GPR, as a non intrusive method to measuring soil water content . : A.A. Balkema.

Gaya MLA

Machado, S.L.. "The use of the ground penetratating radar, GPR, as a non intrusive method to measuring soil water content". : A.A. Balkema, 2005. Computer Software.