Laing, J. E. and Hamai, J. 1976. pp.685-739 In: Theory and Practice of Biological Control Edited by Huffaker, C. B. and Messenger, P. S.. Academic Press, New York New York
Laing, J. E. and Hamai, J. 1976. pp.685-739 In: Theory and Practice of Biological Control Edited by Huffaker, C. B. and Messenger, P. S.. Academic Press, New York New York