![DISCUSSION. EXTENSION OF THE PICCADILLY LINE FROM HOUNSLOW WEST TO HEATHROW CENTRAL.]()
DISCUSSION. EXTENSION OF THE PICCADILLY LINE FROM HOUNSLOW WEST TO HEATHROW CENTRAL.JOBLING, DG; STONE, H; SIMS, P; MACKENZIE, CNP; TORPEY, KW; CARTER, DB; LYONS, AC; MOLLER, K; MORGAN, THL; BURGESS, RP; GONSALVES, BF; CHAPLIN, TK; CLARK, TA; BAKER, ALL; RATTUE, FC; WATTS, R · Proceedings of the Institution of Civil Engineers · 1976