Croner's substances hazardous to the environment [computer file].
Croner Publications.
Kingston Upon Thames : Croner,
1997-
Title from title screen.
Software by Dataware Technologies.
User guide accompanies first issue.
Kept up-to-date with update discs.
System requirements: CD-ROM drive; 386 IBM PC compatible or higher; 4 MB RAM (8 MB recommended); 3 MB free hard disk space; MS DOS 5.0 or later; Microsoft Windows 3.1 or later.
Hazardous substances
Pollution
Also available in print (loose-leaf).