BOTANICA ACTA, vol. 101, no. 3, page. 205 - 213, 1988-08
CELLULAR SIGNALLING, vol. 6, no. 2, page. 181 - 186, 1994-02
PLANT PHYSIOLOGY, vol. 102, no. 1, page. 95 - 100, 1993-05
JOURNAL OF CELLULAR BIOCHEMISTRY, page. 464 - 464, 1995-03-10