Authors: A Dwenger; C Beychok; G Schweitzer; H C Pape; G Röllig; M L Nerlich; E Jonas; M Funck; T Zimmermann; S Albrecht; R Schuster; G Lauschke; W Jaroß; V Kaever; E Schmitz; K Resch; H Brandl; W-D Böhm; R Beckert; E Köstler; M Menschikowski; D Kacian; T Lawrence; M Sanders; J Putnam; M Majlessi; S McDonough; T Ryder; J J Santana Rodríguez; Z Sosa Ferrera; A Afonso Perera; V González Díaz Journal: Fresenius J Anal Chem Date: 1990