@inbook{dvorak_kietzka_donahue_hodge_stanger_2000, title={Pinus greggii}, ISBN={0620264608}, booktitle={Conservation and testing of tropical and subtropical forest tree species by the CAMCORE Cooperative}, publisher={Botha Hill, South Africa : Grow Graphics}, author={Dvorak, W. S. and Kietzka, J. E. and Donahue, J. K. and Hodge, G. R. and Stanger, T. K.}, year={2000}, pages={52} }
 @inbook{dvorak_kietzka_stanger_mapula_2000, title={Pinus herrerae}, ISBN={0620264608}, booktitle={Conservation and testing of tropical and subtropical forest tree species by the CAMCORE Cooperative}, publisher={Botha Hill, South Africa : Grow Graphics}, author={Dvorak, W. S. and Kietzka, J. E. and Stanger, T. K. and Mapula, M.}, year={2000}, pages={74} }
 @inbook{dvorak_stanger_romero_2000, title={Pinus maximartinezii}, ISBN={0620264608}, booktitle={Conservation and testing of tropical and subtropical forest tree species by the CAMCORE Cooperative}, publisher={Botha Hill, South Africa : Grow Graphics}, author={Dvorak, W. S. and Stanger, T. K. and Romero, J. L.}, year={2000}, pages={96} }
 @inbook{dvorak_hodge_kietzka_malan_osorio_stanger_2000, title={Pinus patula}, ISBN={0620264608}, booktitle={Conservation and testing of tropical and subtropical forest tree species by the CAMCORE Cooperative}, publisher={Botha Hill, South Africa : Grow Graphics}, author={Dvorak, W. S. and Hodge, G. R. and Kietzka, J. E. and Malan, F. and Osorio, L. F. and Stanger, T. K.}, year={2000}, pages={148} }
 @inbook{dvorak_hodge_gutierrez_osorio_malan_stanger_2000, title={Pinus tecunumanii}, ISBN={0620264608}, booktitle={Conservation and testing of tropical and subtropical forest tree species by the CAMCORE Cooperative}, publisher={Botha Hill, South Africa : Grow Graphics}, author={Dvorak, W. S. and Hodge, G. R. and Gutierrez, E. A. and Osorio, L. F. and Malan, F. S. and Stanger, T. K.}, year={2000}, pages={188} }