000 00425pam a2200157a 44500
082 _a620.00148
_bEn19
100 _aPolon, David D.
245 1 _aENCYCLOPEDIA OF ENGINEERING SIGNS AND SYMBOLS
260 _aN. Y.
_bOdyssey Press
_c1965
300 _a412
440 _aThe Odyssey Scientific Library
_v
500 _aAt Head Of Title : Eess
650 _aEngineering -- Notation
964 _gREF
997 _a71952 REF C
999 _c416158
_d416158