=LDR            22        4500
=001  3833
=082  04$a551.48 JON
=100  1\$aJones, J. A. A.
=245  10$aThe nature of soil piping: a review of research
=260  \\$aNorwich, England :$bGeo Books,$c1981
=650  \0$aBooks
=852  \\$bFreeman Library$h551.48 JON