TY - GEN A1 - Cieplik, J. A2 - Rudziński, Władysław. Red. PB - Wydaw. UMCS L2 - http://dlibra.umcs.lublin.pl/Content/3955 KW - chemia T1 - Synthesis of pyrimido[4,5-d]pyrimidine derivatives UR - http://dlibra.umcs.lublin.pl/dlibra/publication/edition/3955 ER -