00305nam a2200097Ia 4500080001800000245006700018260005300085300002200138500002900160583001800189  a08.11.01 C734  aFirewood crops : shrubs and tree species for energy production  bNational Academy of SciencesaWashingtonUSc1980  axi, 237 p. : ill.  aBibliography: p. 191-202  c10/7/05kJOYD