000
00274nam a2200109Ia 4500
008
220201s1960 xx 000 0 eng d
082
_a
503
_b
MCG-E
100
_a
MC GRAW HILL
245
0
_a
ENCYCLOPEDIA OF SCIENCE AND TECHNOLOGY
260
_b
MC GRAW HILL
_c
1960
942
_2
ddc
999
_c
30729
_d
30729