TY  - RPRT
TI  - Composition of zeolites of the natrolite group; compositional relations among thomsonites, gonnardites and natrolites
AU  - Margaret D. Foster
PY  - 1965
DO  - 10.3133/pp504de
UR  - https://pubs.usgs.gov/publication/pp504DE
ID  - pp504DE
ER  -