Spencer, Andrew

The handbook of morphology by: Spencer, Andrew; Zwicky, Arnold M. (書目-語言資料,印刷品)

Birds of Western EcuadorA Photographic Guide / by: Greenfield, Paul J.,; Woods, Sam; Campbell, Iain; Cervantes Daza, Pablo; Athanas, Nick; Spencer, Andrew (書目-語言資料,印刷品)