Judul asli :"Egon Stahl, Drug analisis by chomotography..."
No Inv.: 78326-78327/01/2c
No Inv.: 17824, 17828/01/2c
No Inv.: 78995/01/1c
No Inv.: 77775/S/01/1c
No Inv.: 78674/S/01/1c
Judul asli :"Cosmetic Surgery : your questions..."
No Inv.: 79034/S/92/1c
No Inv.: 78915/S/93/1c
Judul asli :"Identifizierung von Arzneistoffen"