(onr:455141+) onr:455141+type:book_tlanguage:Eng_t1977 type:Book_tmedia_bokmNational Research Council Canada. Subcommitte on Heavy Metals and Certain other CompoundsNational Research Council Canada. Subcommitte on Heavy Metals and Certain other CompoundsThe effects of alkali halides in the Canadian environment / National Research Council Canada. Subcommittee on Heavy Metals and Certain other CompoundsOttawa, 19770hitlist:Fulltextlink_a_t