Fuller, R.J.; Aye, Lu - In: Renewable Energy 48 (2012) C, pp. 326-332
Globally, there is still widespread dependence on traditional forms of energy, and human and animal power still … most important energy sources for their populations. On a global scale, the energy contributed by human and animal power is … paper therefore argues that human and animal power should be included in the ‘family’ of renewable energy sources of solar …