00257nam a2200097Ia 4500008004100000082001600041100003200057245003300089260002900122300000800151140113s9999    xx            000 0 und d  a631.43   K6  a"Narayana, N. & Shah, C.C."  aPhysical properties of soils  a1966bManaktalascBombay  a227