=LDR            22        4500
=001  4937
=082  04$a551.4 47
=245  00$aThe science of speleology
=260  \\$aSan Diego :$bAcademic Press,$c1976
=650  \0$aBooks
=700  1\$aFord, Trevor D.
=700  1\$aCullingford, Cecil Howard Dunstan
=852  \\$bFreeman Library$h551.4 47