00465nam a2200169Ia 4500008004100000020001500041082001700056100001800073245004000091260005300131300000800184650001800192650001800210653002800228700002100256700001800277170901s1999 xx 000 0 und d a8176480789 a576.13bT29A aTewari, J. P. 0aAdvances in Microbial Biotechnology aNew DelhibA. P. H. Publishing Corporationc1999 a567 aLife sciences aPure Sciences aMicrobial Biotechnology aLakhanpal, T. N. aSingh, Jagjit