=LDR            22        4500
=001  228
=082  04$a609 DUN
=100  1\$aDunn, P.
=245  10$aAppropriate technology
=260  \\$aLondon :$bMacmillan,$c1978
=650  \0$aBooks
=852  \\$bFreeman Library$h609 DUN