TY  - BOOK
AU  - GIESECKE, FREDERICK E
AU  - SPENCER, HENRY CECIL
AU  - MITCHELL, ALVA
TI  - Engineering Graphics
PY  - 1969///
CY  - delhi
PB  - Macmillan
KW  -  GRAPHICAL VECTOR ANALYSIS
KW  - DESIGN 7 WORKING DRAWINGS
ER  -