00718nam a2200217   450000500170000000800410001703500150005809000210007310000180009424500810011226000420019330000200023565000310025570000170028681000840030390700250038790200110041299800280042394500320045199900170048320260818173821.0                 u                 eng    a.b10518654  aTA7bS8 no. R2471 aPoulos, H. G.10aPrediction of downsrag forces in end-bearing piles /cby ... and E. H. Davis  aSydney :bUniversity of Sydney,c1974  a29, 20 p. illus 0aPiling (Civil engineering)10aDavis, E. H.1 aSydney.bUniversity.bSchool of Civil Engineering.tResearch report ;vno. R247  a.b10518654bmngc c-  a130424  b1c951012dmea  f-g0  lmngc aTA7bS8 no. R246-250  c90880d90880