Mackey, charless O. <br/><br/>
Graphical solutions 
Mackey, charless O. 
 - 2nd ed. 
 - USA  John wiley and sons inc  1947 
 - vi, 152 p.:  ill.; 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>516.5  / MAC