Harvesting and marketing of grapefruit in Puerto Rico  1957-58 
Daniel Vargas and Raúl Pedraza González. 
 - Río Piedras, Puerto Rico  University of Puerto Rico  1961. 
 - 42 p.  tables. 
 - Boletín  no. 159 .
<br/><br/> Part in spanish (p. 38-42) 
<br/><br/>Bibliographical references included in "Literature cited." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grapefruit<br/>Grapefruit--Marketing.