000
00256nam a2200097Ia 4500
008
200508s9999||||xx |||||||||||||| ||und||
082
_a
E-503
245
0
_a
Encyclopaedia of science and technology. Vol.14.
260
_b
McGraw Hill Pub.
_c
1971
300
_a
725p.
999
_c
62006
_d
62006