GS97c Gritzalis:1997:ATS GS97b Gritzalis:1997:CPO GS97a Gritzalis:1997:CVP Spi90b Spinellis:1990:IHL Spi91c Spinellis:1991:TSL Spi92 Spinellis:1992:IMA Spi93b Spinellis:1993:CCD Spi93 Spinellis:1993:IHL Spi93d Spinellis:1993:IMAa Spi93e Spinellis:1993:IMAb Spi93f Spinellis:1993:IMAc Spi93g Spinellis:1993:IMAd Spi93h Spinellis:1993:IMAe Spi93i Spinellis:1993:IMAf Spi93j Spinellis:1993:IMAg Spi93c Spinellis:1993:TPC Spi94e Spinellis:1994:DIL SDE94 Spinellis:1994:LAP Spi94c Spinellis:1994:PPO Spi94f Spinellis:1994:PSU Spi94d Spinellis:1994:TTL Spi94 Spinellis:1994:WUT Spi95b Spinellis:1995:DHC Spi95 Spinellis:1995:IAH SDE95 Spinellis:1995:OOT Spi95c Spinellis:1995:SMM Spi96 Spinellis:1996:GCE Spi97d Spinellis:1997:CAP SG97 Spinellis:1997:LLS SP97 Spinellis:1997:SAA