000
00295nam a2200121Ia 4500
080
_a
08.11.06 U58u
245
_a
Updated guidebook on biogas development
260
_b
U.N.
_a
New YorkUS
_c
1984
300
_a
178 p.
500
_a
Bibliography: p. 178
583
_c
3/7/00
_k
M2LMGR
942
_c
M
_m
U58u
999
_c
15319
_d
15319