Ortiz Ramos, Pablo Marcial, <br/><br/>
A tres voces y guitarras  los tríos en Puerto Rico 
Pablo Marcial Ortíz Ramos. 
 - 1a ed. 
 - San Juan, Puerto Rico  [s.n.]  1991 
 - 431 p.  ill.  23 cm. 
<br/><br/>includes bibliography : p. [397]-403 and index. 
<br/><br/><label>LCCN: </label>9190392 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Popular music--History and criticism.--Puerto Rico<br/>Musicians--Puerto Rico
<br/><br/><label>Dewey Class. No.: </label>781.6409  / O775a