Life above the jungle floor /

por Perry, Donald R.
Publicado 1991

Access methods, observations, pollination biology, bee foraging behavior, and bee community structure within a neotropical wet forest canopy /

por Perry, Donald Ray
Publicado 1983

Life above the jungle floor /

por Perry, Donald R.
Publicado 1991

TI-81 graphing calculator activities for algebra /

por Miller, Wayne L., Miller, Wayne L., Tveten, Gloria A., Perry, Donald
Publicado 1992