TY  - BOOK
AU  - Gregg,Donald Crowther
TI  - Principles of chemistry
AV  - QD31 .G817 1968
U1  - 540 
PY  - 1968///]
CY  - Boston
PB  - Allyn and Bacon
KW  - Chemistry
KW  - Local
N1  - Bibliography: p. 677-680
ER  -