TY - BOOK AU - Blashfield,Jean F. TI - Hydrogen SN - 0817250387 AV - QD181.H1 B52 1999 U1 - 546/.2 21 PY - 1999/// CY - Austin, TX PB - Raintree/Steck KW - Hydrogen KW - sears N1 - Includes bibliographical references and index; 4-8 N2 - Presents the basic concepts of this central element of the universe ER -