00382nam a2200157Ia 4500003000400000005001700004008004100021040001100062082001400073100000900087245003000096250001200126260005600138300000800194650002200202OSt20240308211933.0230106s9999    xx            000 0 und d  cMRSPTU  a624bTT-E  aTTTI 0aEnvironmental engineering  a1st Ed.  aNew DelhibTata McGraw Hill Education Limitedc1993  a268  aCivil Engineering