I wrote about the following works for the AMS's Mathematical Reviews service:

• MR2492335: Taimiņa, Daina. Crocheting adventures with hyperbolic planes.
• MR2498454: Aráoz, Julián; Fernández, Elena; Meza, Oscar. Solving the prize-collecting rural postman problem.
• MR2481721: Carnes, Tim; Shmoys, David. Primal-dual schema for capacitated covering problems.
• MR2543671: Meyers, Carol A.; Schulz, Andreas S. Integer equal flows.
• MR2563464: Mavrotas, George; Figueira, José Rui; Florios, Kostas. Solving the bi-objective multi-dimensional knapsack problem exploiting the concept of core.
• MR2577295: Martins, Pedro. Extended and discretized formulations for the maximum clique problem.
• MR2608849: Nagarajan, Viswanath; Ravi, R.; Singh, Mohit. Simpler analysis of LP extreme points for traveling salesman and survivable network design problems.