TY  - BOOK
AU  -  Heylings M.A
TI  - Graded examples in Mathematics Area and Volume
SN  - 0721723276
U1  - 510.76 HEY DC20
PY  - 1983///
CY  -  Huddersfield
PB  -  Schofield and Sims LTD
ER  -