00335nam a2200109   4500020001800000082001400018100001800032245010500050260003500155300001000190650002500200  a9788131204535  a660.2 BAC  aBackhurst,J.R  aCoulson & Richardson's Chemical Engineering: Solutions to the problems in chemical engineering vol 1  aNew DelhibReed Elsevierc2006  a332 p  achemical engineering