00271nam a2200109Ia 4500008004100000082001600041100001800057245002600075260002700101300001100128650002200139240817s9999    xx            000 0 und d  a627. Su14,e  aSubramanya K. 0aEngineering hydrology  c1997a New Delhib TMH  a392 p.  a Computer science