Bishop, Edmund <br/><br/>
Indicators 

 - Oxford:  Pergamon Press,  1972. 
 - x,746p.:  ill.;  26cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Indicators and test-papers
<br/><br/><label>LC Class. No.: </label>QD77.B6