000 00299nam a2200097 4500
080 _a547.211
_bNAT.77
245 _aMethane generation from Human, animal, and agricultural wastes
700 _aNational Technical Information Service
700 _aNationa Academy of sciences
260 _aVirgenia
_bNTIS
_c1977
300 _axiii+132p
999 _c30511
_d30511