Hartland, Stanley <br/><br/>
Counter-current extraction :  an introduction to the desing and operation of courter-current extractors. 

 - Oxford :  Pergamon Press,  1970. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Extracción
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>66.06