000
00302nam a2200145Ia 4500
100
_a
Ayling/D.S
490
_v
III
942
_c
BK
654
_a
Mechanicial Science
245
_a
Mechanicial Science
260
_b
Buttersworth
_a
London
_c
1981
082
_a
620.1
300
_a
90
546
_a
ENGLISH
999
_c
18914
_d
18914