TY  - BOOK
AU  - Heijnen, W. J.
TI  - Shape of the electric cone penetrometer
U1  - 620.191 
PY  - 1972///
CY  - Leidschendam
PB  - Geotechnical Engineers And Surveyars Fugro
KW  - Penetro meter
N1  - Translation Of Original Datch Paper Publiched In The Proceedings Of The Furgo Penetrometer Symposium, The Hague, Holland, Oct. 1972
ER  -