00320nam a2200121Ia 4500008004100000020001500041082001800056100001500074245004800089260004800137300000800185650000500193140316s9999    xx            000 0 und d  a0521350204  a660.6bBEC/MI  aBecker,E W  aMicroalgae : biotechnology and microbiology  aCambridgebCambridge University Pressc1994  a293  a