000 00731nam a2200181 a 4500
005 20220228110442.0
035 _aF8901000097253
084 _aUC EERC 86-06 1986
100 _aHarder, Leslie F.
245 _aDetermination of penetration resistance for coarse-grained -soils using the becker hammer drill / by Leslie F. Harder a-nd H. Bolton Seed
260 _aBerkeley, Calif. : e Engineering Research Center
300 _a134 p.
440 _aReport ; No.UCB / EERC 86-06
500 _a"A report on research sponsored by the National Science Fou-ndation""May 1986"
690 _aSuelos - Pruebas
700 _aSeed, H. Bolton, coaut.
710 _aUniversity of California, Berkeley. Earthquake Engineering -Research Center
999 _c52242
_d52242