Deactivation behavior of alkali-metal zeolites in the dehydration of lactic acid to acrylic acid. JOURNAL OF CATALYSIS, (329):413-424, ACADEMIC PRESS INC ELSEVIER SCIENCE, September 2015. [PUMA: ubs_10004 unibibliografie ubs_10003 ubs_20003 ubs_30055 from:jmueller liste ubs_30038 ubs_20005 wos mult]