Urban land.

v.11-15 1952-1956; v.16-20 1957-1961; v.29 1970; v.34; v.40 1981; v.42; v.49 1990; 50 1991; v.51; v.51 no.1-11 Jan-Nov 1992; v.51 no.1-9 1992; v.51 no.10 1992; v.51 no.11-12 1992; v.52; v.53 no.1-3,6-12; v.54; v.54 no.2-7,9-12 Feb-July,Sept-Dec 1995; v.55 no.1-6; v.55 no.1-4,8-12 Jan-Apr,Aug-Dec 1996; v.56 no.1-6 1997; v.56(missing no.5-9 1997; v.56 no.7-12 1997; v.58 no.5-12; v.60 no.4-5; v.60 no.7-12; v.61 no.1; v.61 no.1-6; v.61 no.7-12; v.61 no.8-11/12 2002; v.62 no.1-6; v.62 no.1,3-6 2003; v.62 no.7-12; v.63 no.1-6; v.63 no.3 yr.2004; v.63 no.4 yr.2004; v.63 no.5 yr.2004; kv.64no.5-8 2005; GreenTech v.1 no.1 2005; v.64 no.1-6 2005; v.65 no.5-8 2006; v.65 no.9-11/12 2006; v.66 no.7-9; v.66 no.10-11/12; v.67 no.3-5; v.67 no.6-8; v.68 no.1-6