=LDR 22 4500 =001 2881 =082 04$a728 MCC =100 1\$aMcCourt, Desmond =245 10$aInnovation diffusion in Ireland: an historical case study =260 \\$aDublin :$bRoyal Irish Academy,$c1973 =650 \0$aPamphlets =852 \\$bFreeman Library$h728 MCC