TY  - BOOK
AU  - Halka, Monica
AU  - Nordstrom, Brian
TI  - Nonmetals
SN  - 9780816073672
SN  - 200901845
U1  - 546.7 HAL 
PY  - 2010///
CY  - New York
PB  - Facts On File
KW  - Nonmetals
KW  - Periodic law
N1  - Includes bibliographical references and index
ER  -