000
00279nam a2200109Ia 4500
008
220201s1969 xx 000 0 eng d
100
_a
Richards, CK
245
0
_a
Mechanical engineering in ruder & comminucation
260
_b
Van Nostrand Co
_c
1969
300
_a
674
942
_2
ddc
999
_c
77944
_d
77944