00403cam a2200145ua 4500020001000000041001000010082002000020100002300040245008400063260006500147300001200212365001000224504000500234700001800239  c28.00  aengh  a665.776bKHA/BI  aKhandelwal, K.C  .  aBiogas technology: a practical hand book / cK.C Khandelwal.hTextual Documents  aNew Delhi : bTata Mc-Graw Hill Publishing Company , c1986.  a128 ; .  a28.00  a1 aMahdi, S.S  .