TY - JOUR AU - Semper, C ID - 92133 TI - On the relationship of the Vertebrata and Annelida JF - Annals And Magazine of Natural History SN - 0374-5481 VL - 15 SP - 94 EP - 95 Y1 - 1875 UR - http://biostor.org/reference/92133 L2 - http://www.biodiversitylibrary.org/page/24297669 ER -