00409nam a2200133Ia 450000500170000000800410001702000180005808200210007610000240009724500830012126000380020430000100024265000230025220250627221146.0240817s9999    xx            000 0 und d  a0-07-043434-4  a628.16823 T73, m  aEd by- Trivedi, R.K 0aManaging Environmental Risks bChallenges Facing Detergent in the 21st Century  c2001aNew DelhibTata McGraw Hill  a553p.  aCivil Engineering