Wilkins, Alan, <br/><br/>
Roman imperial artillery :  outranging the enemies of the empire / 
Alan Wilkins. 
 - Second edition 
 - Dumfries :  Solway Print,  2017. 
 - 167 pages :  illustrations (some color), maps, plans, facsimiles, photographs (some color) ;  30 cm 
<br/><br/> First edition, entitled Roman artillery, published Princes Risborough : Shire, 2003. 
<br/><br/>Includes bibliographical references (pages 160-163) 
<br/><br/><label>ISBN: </label>1907931708 9781907931703 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Artillery--History.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Rome--Army--Artillery.