TY - BOOK AU - Great BritainDepartment of Education and Science TI - New problems in school design. Middle schools : Implications of transfer at 12 or 13 years T2 - Building bulletin 35 SN - 0112700853 U1 - 371.61 G786n PY - 1966///, 1973 CY - London PB - Her Majesty's Stationery Office KW - Educational buildings KW - Great Britain KW - School buildings ER -