ACTA UNIVERSITATIS UPSALIENSIS : COMPREHENSIVE SUMMARIES OF UPPSALA DISSERTATIONS FROM THE FACULTY OF PHARMACY ; 67 548,241 BJORK LARS Studies on techniques for the improvement of secondary metabolism derived from squalene in tissue cultures of higher plants : [doctoral dissertation] / by Lars Bjork. - Uppsala : Academiae Upsaliensis, 1990. -65 s. : wykr. ; 25 cm (Acta Universitatis Upsaliensis : Comprehensive Summaries of Uppsala Dissertations from the Faculty of Pharmacy, ISSN 0282-748/- ; 67 ) ISBN 91-554-2603-4