Brookes, B.c. <br/><br/>
Optimum p library of scientific periodicals / B.c. Brookes 

 - [s.l.],  1971 
 - V232 N13 P458-461 Aug. 
<br/><br/> Revista 
 = Nature 
<br/><br/><label>Subjects--Index Terms: </label>Ley de Bradford Publicaciones Periódicas