00341nam a2200157Ia 4500008004100000020001800041035001000059082001500069100001900084245002700103250000600130260002300136300000800159500001000167650000600177210723s9999||||xx |||||||||||||| ||und||  a0-86003-628-6  a31273  a338.7BBAR  aBarback, R. H. 0aFirm & Its Environment  a-  aN. DelhibHeritage  a228  a24693  a-