TY - BOOK AU - Gray,Peter P. TI - Wallerstein advances in beer quality: 15 year research record T2 - Wallerstein Laboratories Communications. Special Wallerstein 50 year anniversary issue PY - 1961/// CY - Staten Island, N.Y. PB - Wallerstein Laboratories KW - Beer KW - Quality assurance KW - Congresses KW - Local N1 - Part I, Beer and brewing technology; Part II, Methodology for the brewing laboratory ER -