00397pab a2200121 454500008004000000100002400040245011700064260000900181300001200190362000900202650001900211773004500230180718b1985 xxu||||| |||| 00| 0 eng d aStrassmann, W. Paul aEmployment in constructionbMulti - country estimates of costs and substitution elasticities for small dwellings c1985 a395-414 aJan. aSkilled Labour aEconomic Development and Cultural Change