=LDR 22 4500 =001 5106 =082 04$a631.4 CRU =100 1\$aCruickshank, James G. =245 10$aSoil and environment: Northern Ireland =260 \\$aBelfast :$bAgricultural and Environmental Science Division Queens University Belfast =650 \0$aBooks =852 \\$bFreeman Library$h631.4 CRU