Nuffield Foundation. <br/><br/>
Introducing living things / 
Nuffield Foundation. 
 - London :  Longmans, Green,  [c1966]. 
 - xviii, 152 p. :  ill. 
 - Nuffield biology teachers' guide ; .
<br/><br/> Cover title : Biology : teachers' guide I : introducing living things. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Study and teaching.