000
00250nam a22001097a 4500
020
_a
0335173233
082
_a
621
_b
UNI
245
_a
Unit 10 hacksaw blades a case study
260
_b
The open university press
_c
1982
300
_a
48 Pages
942
_c
L
999
_c
19601
_d
19601