Quantities, unites and symbols  : recomendations for use in IBP synthesis 

 - London :  International Biological Programme,  1974 
 - 63 p 
<br/><br/><label>LCCN: </label>25763 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Física--Medidas.<br/>Pesas y medidas.