Brett Hoffstadt <br/><br/>
Success with drones in civil engineering :   an accelerated guide to safe, legal, and profitable operations / 
Brett Hoffstadt 
 - [place not identified]:  Brett Hoffstadt,  2018. 
 - 225 p. 
<br/><br/><label>ISBN: </label>9781980585145 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering instruments.<br/>Civil engineering.<br/>Drone aircraft.
<br/><br/><label>Dewey Class. No.: </label>623.7469  / Ho Su