1. Historical maps of land use in Puerto Rico in 1951
- Author(s):
- Helmer, Eileen H.; Córdova, Juan R.; Quiñones, Maya; Hubing, Nick
2. Physical and chemical properties of the foliage of 10 live wildland fuels
- Author(s):
- Gallacher, Jonathan R.; Lansinger, Victoria B.; Hansen, Sydney E.; Ellsworth, Taylor J.; Weise, David R.; Fletcher, Thomas H.