Field Methods and instrumantation text London New York Tokyo ChapMan and Hall . c 1989 monographic xiii ,457p . : ill . edited by R . W . Pearcy, J .R. Ehleringer ,H .A .Mooney and P . W .Rundel includes index Science Botany QK 905 .P57 1989 0412411202 UOEL 000 20170912095343.0