@BOOK {HOESCHLE-ZELEDON:2013, title = {Regulatory challenges for biological control}, author = {Hoeschle-Zeledon, I. and Neuenschwander, P. and Kumar, P. L. }, year = {2013}, publisher = {SP-IPM Secretariat, International Institute of Tropical Agriculture (IITA)}, address = {IITA, Ibadan}, isbn = {978-978-8444-28-2}, note = {The CGIAR Systemwide Program on Integrated Pest Management}, url = {www.spipm.cgiar.org}, }