000 00420nam a2200121Ia 4500
008 021114t1982 000 0 eng d
080 _a625.8 : 625.07 (063) EXT
_b10795
245 0 _aExtending aggregate resources : a symposium
_h(Book)
260 _aRace Street, Philadelphia
_bASTM
_c1982
300 _a212 p.
_c23 cm.
650 _aAggregates (Building materials)--Congresses Road materials--Congresses
999 _c10287
_d10287
035 _a10795