000
00274nam a2200097Ia 4500
008
220204s9999 xx 000 0 und d
082
_a
5+6(031)
_b
MCG
245
0
_a
McGraw Hill encyclopedia of science and technology. 16 V
260
_a
New York
_b
McGraw Hill
_c
1960
942
_c
BK
999
_c
20351
_d
20351