Vainiotalo Pirjo;  Lehtela Pirjo-Liisa;  Fülöp Ferenc;  Bernáth Gábor;  Vuorilehto Lauri;  Pihlaja Kalevi: Electronic effects in the electron ionization fragmentations of 2‐aryl substituted octahydro‐1,3‐ and ‐3,1‐benzoxazines.
  RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 7 (6).  pp. 465-469.  ISSN 0951-4198 (1993)