43 Specifications-swimming pools etc. 

 - 1st Ed. 
 -  SELF  1949 
 -  25 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>APM
<br/><br/><label>Index Terms--Genre/Form: </label><br/>B-17