Photography as an aid to scientific work 
Ilford Photo                                                      
 - London  Ilford  1950 
 - viii, 68p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA thesaurus<br/>Photography<br/>Phtographic processing
<br/><br/><label>Universal Decimal Class. No.: </label>771.5  / ILF