00314nam a2200121Ia 4500003000400000008004100004020001300045040000800058100001900066245006500085260003400150300000800184LDD181029s9999    xx            000 0 und d  a30166675  cLDD  aTurk, Jonathan 0aEnvironmental sciencebhome study experimentscJonathan Turk  aNew YorkbSaunders pub.c1989  a94p