| Selje, N. (1999): Destruktion und die Rolle der Bakterien im Gewässer. Einführung in die Limnologie | Buchbeitrag |
| Lawrence P.R. and Pearson R.A. (1999): Feeding standards for cattle used for work. | Arbeitspapier/ Diskussionspapier |
| Pearson, R.A.; Zerbini, E.; Lawrence, P.R. (1999): Recent advances in research on draught ruminants. Animal Science | Arbeitspapier/ Diskussionspapier |
| Lawrence P.R. and Dijkman J.T. (1998): The measurement of oxygen consumption and ventilation volume of draught animals using a modified Oxylog Thermochimica Acta | Arbeitspapier/ Diskussionspapier |
| Lawrence P.R., Floquet A. and Heidhues F. (1998): The subhumid regions: an overview. In Lawrence P.R., Renard G and von Oppen M. (eds). Evaluation of Technical and Institutional Options for small Farmers in West Africa. | Arbeitspapier/ Diskussionspapier |
| Focken U., Becker K. and Lawrence P.R. (1997): A note on energy metabolism of individually reared carp, Cyprinus carpio L. Aquaculture Nutrition | Arbeitspapier/ Diskussionspapier |
| Fall A., Pearson R.A. and Lawrence P.R. (1997): Nutrition of draught oxen in semi-arid West Africa. 1. Energy expenditure by oxen working on soils of different consistencies. Animal Science | Arbeitspapier/ Diskussionspapier |
| Fall A., Pearson R.A., Lawrence P.R. and Fernandez-Rivera. (1997): Nutrition of draught oxen in semi-arid West Africa. 2. Effect of work on intake, apparent digestibility and rate of passage of food through the gastro-intestinal tract in draught oxen given crop residues Animal Science | Arbeitspapier/ Diskussionspapier |
| Dijkman J.T. and Lawrence P.R. (1997): The energy expenditure of catlle and buffaloes walking and working different soil conditions. Journal of Agricultural Science, Cambridge. | Arbeitspapier/ Diskussionspapier |
| Lawrence P.R. and Dijkman J.T. (1997): The introduction of animal traction into inland regions. 2. Dry season cultivation and the use of herbicides in rice Journal of Agricultural Science, Cambridge. | Arbeitspapier/ Diskussionspapier |
| Dijkman J.T. and Lawrence P.R. (1997): The introduction of animal traction into inland regions. 3. Different cultivation techniques for maize. Journal of Agricultural Science, Cambridge. | Arbeitspapier/ Diskussionspapier |
| Lawrence P.R. and Dijkman J.T. (1997): The introduction of animal traction into the inland regions. 1. Manual labour and animal traction in the cultivation of rice and maize: a comparison. Journal of Agricultural Science, Cambridge. | Arbeitspapier/ Diskussionspapier |
| Buerkert A., Lawrence P.R., Williams J.H. and Marschner H. (1995): Non-destructive measurements of biomass in millet, cowpea, groundnut, weeds and grass swards using a simple differential reflectometer. In: Experimental Agriculture | Arbeitspapier/ Diskussionspapier |
| Pearson R.A., Lawrence P.R. and Smith A.J. (1996): The Centre for Tropical Veterinary Medicine (CTVM) pulling its weight in the field of draught animal research. Tropical Animal Health and Production | Arbeitspapier/ Diskussionspapier |
| Pearson R.A. & Lawrence P.R. (1992): Intake, digestion, gastro-intestinal transit time and nitrogen balance in working oxen Animal Production. | Arbeitspapier/ Diskussionspapier |
| Lawrence P.R. & Stibbards R.J. (1990): The energy costs of walking, carrying and pulling loads on flat surfaces by Brahman cattle and swamp buffalo. Animal Production | Arbeitspapier/ Diskussionspapier |
| Lawrence P.R. (1990): The food energy requirements of draught oxen. In Proceedings of the Inaugural Meeting of the Association for Transport Animal Welfare and Studies | Arbeitspapier/ Diskussionspapier |