Online toegang naar https://www.sciencedirect.com/science/link?ref_val_fmt=info:ofi/fmt:kev:mtx:journal&svc_val_fmt=info:ofi/fmt:kev:mtx:sch_srv&rfr_dat=saltver:1&rfr_dat=origin:ONECATE&ctx_enc=info:ofi/enc:UTF-8&ctx_ver=Z39.88-2004&rft.issn=01683659&rft.volume=219&rft.spage=192&rfr_dat=md5:ff2dfde9ee34a5058bc6977ed5be47b6
