Obrecht, A . <br/><br/>
Determination de la hora(in French) 
A. Obrecht                                                 
 - Chile,  Imprenta litografia universo  1907 
 - 293p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Tables
<br/><br/><label>Universal Decimal Class. No.: </label>52(083)  / OBR