000 00307nam a22001337a 4500
020 _a978-8185167602
041 _aENG
100 _aMathur.A.N
245 _aBiogas Production Management And Utilisation
260 _aDelhi
_bHimanshu Pub
_c1992
300 _a167
650 _aEOES
856 _uEOES ( 12 )
999 _c1226
_d1226