TY  - BOOK
AU  - Butler,Robert Brown
TI  - Architectural and engineering calculations manual
SN  - 0070093636
PY  - 1984///
CY  - New York
PB  - McGraw-Hill
KW  - Engineering mathematics
KW  - Structural engineering
KW  - Mathematics
N1  - Includes index; Bibliography : p. 2-3
ER  -