=LDR 22 4500 =001 1496 =082 04$a1989 MIL =100 1\$aMills, Michael G. =245 10$aThe effect of the anti-parasitic drug Ivomec and Thompsons manufactured intensive beef nuts (plus Avotan 50) on the decomposition rate of cattle dung =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c1989 =650 \0$aTheses =852 \\$bFreeman Library$h1989 MIL