00339nam a2200121 a 450000100080000000500110000800800410001910000200006024500680008026000420014830000090019050000180019913315602002-11-22       1970    bl uuuu  m   00u1 u    #d1 aCOSTA, E. F. da  aEffect of sample disturbance on water retention in three soils.  aDavis: University of Californiac1970  a64p.  aM.Sc. Thesis.