00399nam a22001337a 4500008004100000020001800041082003200059100002600091245004800117250001200165260005300177300002100230650001400251140131b        xxu||||| |||| 00| 0 eng d  a971-085-581-6  aFil. 526.9 L319bc198723rd  aLaputt, Juny Pilapil   aElementary surveying /cJuny Pilapil Laputt  a3rd ed.  aMandaluyong City :bNational Book Store,cc1987.  av, 643p. :bill.  xSurveying