Pseudomonas glumae lipase: characterization, biogenesis and protein engineering / Leo Gerardus Joseph FrenkenIdeeën in de trechter : de weg van antilichaam tot consumentenproduct / [Leon G.J. Frenken ; teksten: Unilever Research Laboratorium ... et al. ; foto's Maurice Brandts ... et al. ; cartoons: Wim Schols]Ideas in a funnel: from antibody to consumer product / [Leon G.J. Frenken ; text: Unilever Research Laboratorium ... et al. ; photo's Maurice Brandts ... et al. ; cartoons: Wim Schols]