000
00271nam a22001097a 4500
082
_a
503.21
_b
PAR.M
100
_a
S P Parker
245
_a
McGraw-Hill concise encyclopaedia of science and technology
250
_a
2
260
_a
New York
_b
McGraw Hill
_c
1987
942
_c
BK
999
_c
204002
_d
204002