000 00418nam a2200169Ia 4500
001 UNL21656
007 ta
008 190516s1978||||xx |||||||||||||| ||spa||
020 _a889361622
040 _aUNL
041 _aspa
082 _a621.4 B261b
100 _aBarnett, Andrew.
_eAutor
_921625
245 0 _aBiogas technology in the third world a multidisciplinary review
260 _a
_b CA IDRC
_c1978
942 _cBK
999 _c21894
_d21894