00300nam a2200109 a 450000500170000002000150001708200180003210000200005024500490007026000480011930000230016720251203091001.0  a0710211457  a150.195,bboa  aBoadella, David  aLifestreams: an introduction to biosynthesis  aLoNew Delhion: Routledge & Kegan Paulc1987  axvi, 240p.c22 cm.