TY - BOOK AU - A.S.T.M AU - A.S.T.M TI - A.S.T.M standards on plastics U1 - 620.19230287 PY - 1950/// CY - Philadephia, USA PB - A.S.T.M KW - MCE N1 - 0; 0; 0; 620_192302870000000_AME ER -