Jella Lepman

Bridge of Children's Books by Jella Lepman Hodder & Stoughton Ltd Hardcover 1 March 1969 from£N/A | RRP: ~~£1.25~~
Combinatorial Auctions and Knapsack Problems - An Analysis of Optimization Methods by Jella Pfeiffer VDM Verlag Dr. Mueller e.K. Paperback 20 December 2007 from£32.00 | RRP: ~~£32~~