Guano

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71	PDF Document Add to Reading List Source URL: www.caves.org Language: English - Date: 2008-03-06 13:36:07 Guano Earth Geography Monito Island Cave Mona Passage Puerto Rico Mayagüez Puerto Rico Physical geography Mona Puerto Rico
72	PDF Document Add to Reading List Source URL: www.nodo50.org Language: English - Date: 2004-11-27 03:31:17 Marxism Environment Sociology Social philosophy Economic ideologies Metabolic rift John Bellamy Foster Capitalism Guano Marxist theory Economics Political economy
73	PDF Document Add to Reading List Source URL: sociology.uoregon.edu Language: English - Date: 2012-01-09 12:36:00 Ecology Political economy Biology Metabolic rift Sociology Economic ideologies Guano John Bellamy Foster Unequal exchange Marxist theory Marxism Economics