1. Aspinall D, Paleg LG (1981) Proline accumulation: physiological aspects. In: Paleg LG, Aspinall D (eds) Physiology and biochemistry of drought resistance in plants. Academic Press, New York, pp 206?241
2. Barnett NM, Naylor AW (1966) Amino acid and protein metabolism in bermuda grass during water stress. Plant Physiol 41:1222?1230
3. Behmer ST (1993) The influence of free amino acids and sucrose on the feeding responses of two graminivorous grasshoppers. MS thesis, University of Nebraska, Lincoln, Nebraska, USA
4. Behmer ST, Joern A (1993) Dietary selection by the generalist grasshopper, Phoetaliotes nebrascensis (Orthoptera: Acrididae) based on the need for phenylalanine. Funct Ecol 7:522?527
5. Bently MD, Leonard DE, Leach S, Reynolds E, Stoddard W, Tomkinson B, Tomkinson D, Strunz G, Yatagai M (1982) Effect of some naturally occurring chemicals and extracts of non-host plants on feeding by spruce budworm larvae, Chroristoneura fumiferana. Maine Agric Exp Stn Tech Bull 107