00337nam#a2200133uc#4500001000800000005001700008020001800025084000700043100004100050245005600091264003000147300001100177650001500188000991020260731222315.0  a0-8010-3652-6  aKc1 aGregory, John MiltoneVerfasser4aut 4aThe 7 [seven] laws of teachingcJohn Milton Gregory 1aGrand RapidsbBakerc1982  a128 S. 4aKatechetik