na INLIS000000000001692 20210430103944 210430||||||||| | ||| |||| || | 010-0421001692 en 630.7 630.7 NAS f Firewood crops: shrub and tree species for energy production Cet. 2 Washington, D.C. National Academy of Sciences 1981 xi, 237 hlm. : ill.; 26 cm. KAYU -- KEHUTANAN