size 25 x 28 cm, # WVK 135 110
size 25 x 28 cm, # WVK 105 311 91
from Auto Zeitung 21/93
from various magazines (1995), reprint issued by Porsche Factory
# WVK 191 310
# WVK 145 411 96
# WVK 156 010 99 D/WW
# WVK 157 510
# WVK 165 110 00 D/WW
# WVK 171 010 00 D/WW
Motor Klassik by AMS reprint 2/2001
# WVK 600 310 02 D/WW
