00301nam a2200109Ia 450000500170000008000180001710000220003524500820005726000250013930000100016458300170017420260716043822.0  a12.06.01 T858  aTrotz, Ulric O'D.  aDevelopment and application of indigenous technology in Guyana : case studies  b[s.n.]a[S.l.]c1990  a14 p.  c7/6/07kJOYD