Croner's environmental management [computer file].
Croner Publications.
Kingston upon Thames : Croner,
1994-1998.
Title from title screen.
Quick guide and user guide accompany first issue.
Kept up to date with update disks.
System requirements: IBM PC or compatible; 2.5-3Mb RAM and 6.8Mb free disk space at time of loading.
Environmental law
Environmental management
Also available in print (loose-leaf).