TY - JOUR A1 - Eckermann, Nora A1 - Baumann, Guido T1 - Enzymatic changes in callus cultures of sugar beet during the transition from photoheterotrophic to photoautotrophic growth Y1 - 1995 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/27361 ER -