@INBOOK {CHERRY:2003,
title = {Biological control of Helicoverpa armigera in Africa},
author = {Cherry, A. and Cock, M. and van den Berg, H. and Kfir, R. *},
editor = {Neuenschwander, P. and Borgemeister, C. and Langewald, J. },
year = {2003},
pages = {329--346},
chapter = {21},
publisher = {CABI},
address = {Wallingford},
isbn = {0-85199-639-6},
note = {In: Biological control in IPM in Africa edited by Neuenschwander P., Borgemeister C., Langewald J.; 414p.},
}