General Remarks on Infrared Active and Passive Units and their Practical Application  

 - 3rd 
 - Heidelberg :   Eltro,   1969 
 - vp.  : ill 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Infrared Radiation<br/>Infrared Spectra
<br/><br/><label>Dewey Class. No.: </label>621.362  / ELT