& `( O+ O% X' w$ v0 c[1] Chris Rohwer, Andreas Hafver, Louise Viljoen. Boarding — step by step. A Cellular Automaton approach to optimising aircraft boarding time. The UMAP Journal 28 (3) (2007) 463–478. : @8 M8 x% N- o' j8 Y% N - E- ^' ^: d7 J, E9 l5 V( \[2] Benjamin Coate, Nelson Gross, Megan Longo. The Impending Effects of North Polar Ice Cap Melt. The UMAP Journal 29 (3) (2008) 223–224.: h4 o* G& I6 |6 d
2 n5 P" ]2 {7 u" K[3] Bo Zhang, Yi Zhang, Tiankun Lu. A Close Look On Leaves. The UMAP Journal 33 (3) (2012) 205–222. ' }$ I% K7 j8 K% z1 y + l4 ]& w# l1 V+ ^1 E, j& j0 b" f1 u& ?; B