000 00463nam a2200145Ia 4500
008 211224s9999 xx 000 0 und d
020 _a841234442
082 _a507.473 COH
100 _aCohen, Paul S
245 0 _aAmerica's scientific treasures : a travel companion
260 _aWashington, DC:
_bAmerican Chemical Society,
_c1998
300 _axviii, 446 p. : ill. ; 23 cm
650 _aHistoric sites - United States - Guidebooks
700 _aCohen, Brenda H
999 _c16548
_d16548