TY - JOUR A1 - Denecke, Klaus-Dieter A1 - Leeratanavalee, Sorasak T1 - Generalized hypersubstitutions and strongly solid varieties Y1 - 2000 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/19978 SN - 3-8265- 7983-6 ER -