Anderson, Bruce N.. Ecologue: the environmental catalogue and consumers guide for safe earth / Bruce N. Anderson. - New York : Prentice Hall , 1990. - 255p : ills,figs ; 29cm . NULL ISBN: 0130845183 RS 225.00 Subjects--Index Terms: ENVIRONMENTAL PROTECTION EQUIPMENT AND SUPPLIERS CATALOGS Dewey Class. No.: 363.70525 / AND/E