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A small-scale process for manufacturing woodwool/cement slabs in developing countries / A.J. Hawkes and D.R.S. Cox.
- Overseas development administration. Natural resources institute,
- 1992.
- Chatham :
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A revision of the grasshopper genus Orthochtha and allies (Orthoptera : Acrididae : Acridinae) / G.B. Popov and L.D.C. Fishpool.
- Natural resources institute,
- 1992.
- Chatham :