01397nas 2200469 a 450 99654667200331620221206150918.01943-2909(OCoLC)43337413(CKB)954925377906(CONSER) 2007233687(DE-599)ZDB1472799-7(NjHacI)99954925377906(EXLCZ)9995492537790620000125a19409999 sy aengurcn|---upuuutxtrdacontentcrdamediacrrdacarrierAmerican journal of physics (AJP)College Park, MD American Association of Physics TeachersCollege Park, MD :American Association of Physics Teachers,1940.1 online resourceAIP JournalsPreceding title: American physics teacher (1933-1939)Refereed/Peer-reviewed0002-9505 AJPAIP JournalsPhysicsStudy and teachingPeriodicalsPhysicsPeriodicalsPhysicsStudy and teachingPhysics530American Association of Physics Teachers.NjHacINjHaclJOURNAL996546672003316American journal of physics (AJP)1906005UNISA