00383nam a2200145Ia 4500003000600000005001700006008004100023020001800064040002500082082002200107100001700129245003800146260001700184500003600201NORSU20240709070557.0240214s9999    xx            000 0 und d  a0-7619-4851-1  aNORSU-DumcNORSU-Dum  a371.9072 P83 2005  aPorter, Jill 0aResearching learning difficulties  bP.C.P.c2005  aincludes bibliography and index