van het Kaar, R. H., & Grünell, M. (2001). Variable pay in Europe. EIRObserver, 3(01), 1-8.
Grünell, M., & van het Kaar, R. H. (2001). Comparative Study ICT branch in Europe and Norway. EIROnline: European industrial relations observatory on-line, study/inde(08).
Grünell, M. (2001). Contributing article on the Comparative Study on Progressive Retirement in Europe and Norway. EIROnline: European industrial relations observatory on-line, nl0105132s(09).
van het Kaar, R. H., & Grünell, M. (2001). Industrial relations in the information and communications technology sector. EIRObserver, 5, i-viii.
Grünell, M. (2000). Workplace abuse affects one in three employees. EIROnline: European industrial relations observatory on-line, nl0009105n(september).
Grünell, M. (2000). Wildcat strikes against railway organisation plan. EIROnline: European industrial relations observatory on-line, nl0010110n(oktober).
Grünell, M. (2000). Social partners dissatisfied with distribution of financial windfalls in 2001. EIROnline: European industrial relations observatory on-line, nl0010108n(oktober).
Grünell, M. (2000). FNV seeks 4% wage increase in 2001. EIROnline: European industrial relations observatory on-line, nl0011115n(november).
Grünell, M. (2000). Labour unrest in Rotterdam docks. EIROnline: European industrial relations observatory on-line, nl0012114n(december).
Grünell, M. (2000). Trade union finances in the spotlight. EIROnline: European industrial relations observatory on-line, nl0006192n(juni).