API 5AC : 16ED 87 SPECIFICATION FOR RESTRICTED YIELD STRENGTH CASING AND TUBING American Petroleum Institute
API 550PT1SEC5 : 4ED 85 CONTROLLERS AND CONTROL SYSTEMS American Petroleum Institute
API 550PT1SEC3 : 4ED 85 American Petroleum Institute
API 5AR : 2ED 1981 REINFORCED THERMOSETTING RESIN CASING AND TUBING American Petroleum Institute
API 4529 : 1ED 91 OIL SPILL CONFERENCE PROCEEDINGS American Petroleum Institute
API 4636 : 1995 HGSYSTEM 3.0 TECHNICAL REFERENCE MANUAL AND USER'S GUIDE American Petroleum Institute
API DP 074 : 1993 CURRENT STATUS OF WATERSHED MANAGEMENT IN THE UNITED STATES American Petroleum Institute
API HUMAN FACTORS EXIST. OPERATION : 1ED 2006 HUMAN FACTORS TOOL FOR EXISTING OPERATIONS American Petroleum Institute
API RS 074 : 1994 AIR EMISSIONS BANKING AND TRADING: ANALYSIS AND IMPLICATIONS FOR WETLANDS MITIGATION BANKING American Petroleum Institute
API RS 053 : 1990 REDUCING EMISSIONS FROM OLDER VEHICLES American Petroleum Institute
API 1520 : SEP 1996 DIRECTORY OF LICENSEES: API ENGINE OIL LICENSING AND CERTIFICATION SYSTEM American Petroleum Institute
API RS 056 : 1990 ECONOMICS OF ALTERNATIVE FUEL USE: COMPRESSED NATURAL GAS AS A VEHICLE FUEL American Petroleum Institute