00553nam a2200181 a 450000500170000000800410001702000150005804100080007308200140008110000230009524501010011825000120021926400560023130000340028765000170032165000150033870000180035320260717091100.0260717s1981    ii            000 0 eng d  a0839117329  aeng04a574.192081 aWilliams, Bryan L.12aA biologist's guide to principles and techniques of practical biochemistry /cWilliams, Bryan L.  a2nd ed. 1aBaltimor :bUniversity Park Press Publisher,c1981.  axviii, 318 p. : ill. ; 22 cm. 4aBiochemistry 4aTechnique.1 aWilson, Keith