000
nam a22 4500
020
_a
110
_a
Beakley, George C and Leach, H.W
245
_a
Engineering an Introduetion to a creative profession
260
_a
New york
_b
MacMillan
_c
1977
362
_a
3 rd
942
_c
22
999
_c
6130
_d
6130