TY  - BOOK
AU  - Knapp,Brian,B.SC,PhD
TI  - Calcium and magnesium
SN  - 0-7172-7572-8
PY  - 1996///
CY  - Danbury, CT
PB  - Grolier Educational
KW  - CHemical elements
KW  - Periodic law
KW  - Chemistry, Physical and theoretical
N1  - card
ER  -