di zhi wu xue - Fu, Zizhen 1915 - (ke xue chu ban she, 1957)

e la han zhong zhi zhi wu ming chen (shi yong ben ) - Zhongguo ke xue yuan. Bian yi chu ban wei yuan hui. (ke xue chu ban she)

e la han zhong zhi zhi wu ming chen (shi yong ben ) - Zhongguo ke xue yuan. Bian yi chu ban wei yuan hui. (ke xue chu ban she)

An environmental profile of the Black Sea Coast - Gillett, Harriet J. (WCMC, 1997)

European forests and protected areas: gap analysis. (Technical report) - UNEP World Conservation Monitoring Centre. (UNEP-WCMC, 2000)

lin ye ming ci - Zhongguo ke xue yuan bian yi ju (zhong guo ke xue yuan, 1954)