TY  - GEN
AU  - Sidaway, Ian
AU  - Sarah, Hoggett
TI  - The practical encyclopedia of drawing: pencils, pens and pastels. observing  and measuring. perspective. shading line drawing. sketching. texture. using negative spaces. composition 
SN  - 9781846817175
AV  - N 8530 SID 2011 
PY  - 2011///
CY  - U.S.A.
PB  - Hermes House
KW  - Materials and techniques
N1  - Includes bibliographical references and index
ER  -