Illustrations

Fig 1: (Emmerling:94)
Fig 2: (Emmerling:1)
Fig 3: (Emmerling:73)
Fig 4: (Poligrafa:10)
Fig 5: (Poligrafa:46)
Fig 6: (Landau:1)
Fig 7: (Emmerling:74)

All image's were scanned in from Published Books.