000 00711nam a2200253 a 4500
999 _c29217
_d29216
005 20180805142120.0
008 960221s1955 dcuabcdjdbkoqu001 0deng d
100 _aHogan, Paul
245 _aPlay grounds for free: The utilization of used and surples materials in playground construction
260 _aCambridge
_bMIT press
_c1974
300 _a252p.
500 _a
653 _aPlaygrounds construction
942 _cBK
003 ViArRB