Photoacoustic detection of C2H4 emission from germinating striga seeds F.J.M. Harren, H.S.M. de Vries, J. Reuss, J.W.J.F. Thuring, G.H.L. Nefkens et B. Zwanenburg J. Phys. IV France, 04 C7 (1994) C7-539-C7-542 DOI: 10.1051/jp4:19947127