TY  - BOOK
AU  - Heiserman,David L.
TI  - Exploring chemical elements and their compounds
SN  - 0830630155 (p) :
U1  - 546 
PY  - 1992///
CY  - Blue Ridge Summit, PA
PB  - Tab Books
KW  - CHEMICAL ELEMENTS
KW  - QUIMICA
KW  - CIENCIAS BASICAS
ER  -