=LDR            22        4500
=001  5693
=082  04$a550 GAS
=100  1\$aGass, I. G.
=245  10$aUnderstanding the Earth: a reader in the earth sciences
=260  \\$bOpen University Press,$c1972
=650  \0$aBooks
=700  1\$aSmith, Peter, J.
=700  1\$aWilson, R. C. L.
=852  \\$bFreeman Library$h550 GAS