000 00395 a2200145 4500
008 170412b xxu||||| |||| 00| 0 eng d
010 _a68014700
100 _aLapedes, Daniel N.
245 _aHelpful microorganisms
260 _bThe World,
_c1968.
_aCanada:
300 _a192p.
_bill.
650 _aMicroorganisms.
650 _aMicrobiology.
942 _cBK
_hQR56 .L28 1968
999 _c21594
_d21593