00358nam a2200133Ia 450000500170000008000180001710000160003524500700005126000450012130000100016658300190017694200120019599900170020720260716043031.0  a08.10.03 B617  aBirch, M.A.  aCeramic tile body formulations based on raw materials from Guyana  bCommonwealth SecretariataLondonGBc1984  a41 p.  c3/7/00kM2LMGR  cMmB617  c39074d39074