TY - BOOK AU - VAN DEMAN , Barry A AU - MCDONALD, ED TI - Nuts and bolts: A matter of fact guide to science fair projects SN - 09360046015 PY - 1980/// CY - Harwood Heights PB - The Science man press KW - Science KW - Exhibitions KW - Juvenile literature KW - Experiments KW - Literature N1 - Includes bibliographical references and index ER -