Relationships between branch spacing, growth rate and light in tropical forest saplingsv. 11No. 5627–635
King, David A., Leigh, Egbert Giles, Jr., Condit, Richard S., Foster, Robin B., and Hubbell, Stephen P. 1997. "Relationships between branch spacing, growth rate and light in tropical forest saplings." Functional Ecology, 11, (5) 627–635.