=LDR 00000nam a2200000ui 4500 =001 3534 =008 250530s1980\\\\xx\|||||||||||||||||eng\d =082 04$a624.1 5136 0287 =100 1\$aHead, K. H. =245 10$aManual of soil laboratory testing =260 \\$aLondon :$bPentech Press,$c1980 =852 \\$bFreeman Library$cReserve$h624.1 5136 0287