"Refraction" .
"false" .
.
"Refraction"@en .
"SDN:P02::SRFR" .
.
.
.
"1" .
"2007-11-22 11:35:40.0" .
"accepted"@en .
.
"Seismic refraction"@en .
.
"SDN:P02::SRFR" .
"SDN:P02::SRFR" .
"2007-11-22 11:35:40.0" .
.
"Parameters relating to the elucidation of geological structure by quantifying the refration of waves from a high energy source by sub-surface layers."@en .
"1" .
.
.