Humphrey D. <br/><br/>
Intermediate mechanics Vol.2 :  Statics / 
by D. Humphrey  
 - 2nd ed. 
 - London :  Longman group Limited ,  1964 . 
 - 515 p.  Paper Back 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanics<br/>Statics<br/>Vectors<br/>Machines<br/>Centre of gravity
<br/><br/><label>Dewey Class. No.: </label>531  / HUM-I V.2