=LDR            22        4500
=001  1660
=082  04$a910.02 .02
=100  1\$aWhite, I. D.
=245  10$aEnvironmental systems
=260  \\$aBoston, Mass. :$bAllen & Unwin,$c1984
=650  \0$aBooks
=700  1\$aMottershead, D. N.
=700  1\$aHarrison, S. J.
=852  \\$bFreeman Library$h910.02 .02