00286nam a2200109Ia 4500008004100000082001600041100001900057245002800076260003400104300001100138650002700149240817s9999    xx            000 0 und d  a660.2 D48,c  aGray, T. G. F. 0aRational wdding desigen  c1982a Londonb Butter WOrths  a315 p.  a Chemical Engineering.