The methods of calculating reed switch apparatus :  methodical guidelines for term paper and graduation work / 
Compiled by Andranik Tarik Hovhannisyan, Siranush Meruzhan Muradyan. 
 - Yerevan :  Chartaraget,  2011. 
 - 38 p. :  figs ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Еngineering