TY  - GEN
AU  - Bayly, M. Brian,             
TI  - Introduction to petrology
U1  - 552 
PY  - 1968///]
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall,[1968]
KW  - Petrology
N1  - distributer: Al-Ahram; Bibliography: p. 345-351; catalogued by: wessam
ER  -