References
- Bell , J. N. B. 1988 . Recent developments in acid rain research . Journal of Biological Education , 22 ( 2 ) : 93 – 98 .
- Brown , V. K. 1990 . “ Insect herbivory and plant succession ” . In Pests, pathogens and plant communities , Edited by: . Burdon , J. J. and Leather , S. R. 275 – 288 . Oxford : Blackwell Scientific Publications .
- Skinner , G. J. 1988 . The use of ants in fieldwork . Journal of Biological Education , 22 ( 2 ) : 99 – 106 .
- Strong , D. R. , Lawton , J. H. and Southwood , Sir R. 1984 . Insects on plants , Oxford : Blackwell Scientific Publications .
- Whittaker , J. B. 1988a . Practical demonstration of ecological concepts , Lancaster : University of Lancaster .
- Whittaker , J. B. 1988b . “ Insects on sycamore ” . In Practical exercises in biology: biology in the ‘80s’ , Edited by: Potts , W. T. Vol. 7 , 45 – 49 . Lancaster : University of Lancaster .
- Whittaker , J. B. and Warrington , S. 1990 . “ Effects of atmospheric pollutants on interactions between insects and their food plants ” . In Pests, pathogens and plant communities , Edited by: Burdon , J. J. and Leather , S. R. 97 – 110 . Oxford : Blackwell Scientific Publications .