GL12 Slide show in progress .. Caffaro and Kaplun Carroll and Crowe Chowdappa and Ramasesh Dessy Di Cesare et al. Farace Farace and Frantzen Gonda et al. Jeffery and Asserson Juznic et al. Kaplan et al. Kim et al. Lanza MacDonald et al. Marzi et al. Mynarz and Skuta Pejsova and Vaska Picchi et al. Polcak Prost et al. Ramasesh and Chowdappa Schöpfel Searing Smith Stock and Henrot