Excretion of laccase by sycamore (Acer pseudoplatanus L.) cambial cells: effect of copper deficiency, reversible removal of type 2 Cu 2+ J. Quinton-Tulloch, J. Gaillard, J. Jordanov, R. Bligny and R. DouceAnn. For. Sci., 46 Supplement (1989) 860s-863sDOI: https://doi.org/10.1051/forest:198905ART0189