581
by Janzen, Daniel H.
Published 1999
“...La sobrevivencia de las áreas silvestres de Costa Rica por medio de su jardinificación...”Published 1999
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582
by Chaverri Polini, Adelaida
Published 1996
“...La regeneración natural en el manejo de los robledales de altura en Costa Rica...”Published 1996
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583
584
by Denison, William c.
Published 1963
“...A preliminary study of the operculate cup-fungi of Costa Rica...”Published 1963
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585
586
by Spongberg, Alison L.
Published 2004
“...PCB contamination in surface sediments in the coastal waters of Costa Rica...”Published 2004
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587
“...Hydroacoustic estimation of fish biomass in the Gulf of Nicoya, Costa Rica...”
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588
589
by Dean, Harlan K.
Published 2001
“...Capitellidae (Annelida: Polychaeta) from the Pacific Coast of Costa Rica...”Published 2001
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590
“...The effects of trawling on the benthic fauna of the Gulf of Nicoya, Costa Rica...”
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591
“...Potamocarcinus (Potamocarcinus) nicaraguensis (Pseudothelpbusidae: Crustacea) en Costa Rica...”
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592
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