TY - JOUR A1 - Mäki, E. A1 - Pihlaja, Kalevi A1 - Kleinpeter, Erich A1 - Hartmann, Jürgen A1 - Schroth, W. T1 - Electron impact ionization mass spectrometry of some 4,9-Dihetro-(X,X)-cyclodeca-1,6-dienes : mono- and dibenzo analogues Y1 - 1994 ER -