Bioprocess and biosystems engineering
| from 01/01/1997 to present in SpringerLINK Contemporary (FLVC) |
| from 01/01/2003 to 1 year ago in ProQuest SciTech Collection |
Ecological engineering
| from 1992 to 1994 in Backfile Package - Agricultural and Biological Sciences (Legacy) [YAB] and Backfile Package - Environmental Science (Legacy) [YES] |
| from 03/01/1992 to 2012 in Backfile Package - Environmental Science including Supplement 1 (2006) [YUV] |
| from 01/01/1995 to present in ScienceDirect Freedom Collection 2016 |
