?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Eng+Kok&rft.au=Peh%2C+Eng+Kok&rft.aulast=Peh&rft.title=Evaluation+of+the+role+of+solanapyrone+toxins+in+Ascochyta+blight+of+chickpea&rft.date=1994&rft.degree=Doctoral&rft.tpages=357&rft.inst=UCL+(University+College+London)