Untersuchungen uber rickettsien ahnliche organismen in vergilbungskranken weinreben (Vitis vinifera L.) text Bonn Universitat zu Bonn 1978 Ind 146 p. : ill. ; 21 cm. 146 p. : ill. ; 21 cm. Thesis(Doctor)-Universitat zu Bonn, 1978 ROUMBOS, Ioannis VITIS VINIFERA 634.8 634.8ROUu INLIS000000000025845 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)