=LDR            22        4500
=001  2981
=082  04$a519.5 UNW
=100  1\$aUnwin, David
=245  10$aAn introduction to trend surface analysis
=260  \\$bCATMOG,$c1975
=650  \0$aPamphlets
=852  \\$bFreeman Library$h519.5 UNW