KOHA Using this options Parameters-->MARC biblio export it makes this content for one book (an example): 00227 2200109 4500020001500000090000900015245002000024600001800044600001800062610002900080942000800109 a0672226510 c3 d3 aC: Step-by-Step aMitchel Waite aStephen Prata aHoward W. Sams & Company cLIV Analysing the register (all character): Decimal-Octal-ASCII 048-060-0 048-060-0 050-062-2 050-062-2 055-067-7 032-040- 032-040- 032-040- 032-040- 032-040- 050-062-2 050-062-2 048-060-0 048-060-0 049-061-1 048-060-0 057-071-9 032-040- 032-040- 032-040- 052-064-4 053-065-5 048-060-0 048-060-0 048-060-0 050-062-2 048-060-0 048-060-0 048-060-0 049-061-1 053-065-5 048-060-0 048-060-0 048-060-0 048-060-0 048-060-0 048-060-0 057-071-9 048-060-0 048-060-0 048-060-0 048-060-0 057-071-9 048-060-0 048-060-0 048-060-0 049-061-1 053-065-5 050-062-2 052-064-4 053-065-5 048-060-0 048-060-0 050-062-2 048-060-0 048-060-0 048-060-0 048-060-0 050-062-2 052-064-4 054-066-6 048-060-0 048-060-0 048-060-0 048-060-0 049-061-1 056-070-8 048-060-0 048-060-0 048-060-0 052-064-4 052-064-4 054-066-6 048-060-0 048-060-0 048-060-0 048-060-0 049-061-1 056-070-8 048-060-0 048-060-0 048-060-0 054-066-6 050-062-2 054-066-6 049-061-1 048-060-0 048-060-0 048-060-0 050-062-2 057-071-9 048-060-0 048-060-0 048-060-0 056-070-8 048-060-0 057-071-9 052-064-4 050-062-2 048-060-0 048-060-0 048-060-0 056-070-8 048-060-0 048-060-0 049-061-1 048-060-0 057-071-9 030-036- - end field character - 109 caracteres 032-040- 032-040- 031-037- - start field character 097-141-a 048-060-0 054-066-6 055-067-7 050-062-2 050-062-2 050-062-2 054-066-6 053-065-5 049-061-1 048-060-0 030-036- - end field character 032-040- 032-040- 031-037- - start field character 099-143-c 051-063-3 031-037- - start field character (it's a separator character) 100-144-d 051-063-3 030-036- - end field character 032-040- 032-040- 031-037- - start field character 097-141-a 067-103-C 058-072-: 032-040- 083-123-S 116-164-t 101-145-e 112-160-p 045-055-- 098-142-b 121-171-y 045-055-- 083-123-S 116-164-t 101-145-e 112-160-p 030-036- - end field character 032-040- 032-040- 031-037- - start field character 097-141-a 077-115-M 105-151-i 116-164-t 099-143-c 104-150-h 101-145-e 108-154-l 032-040- 087-127-W 097-141-a 105-151-i 116-164-t 101-145-e 030-036- - end field character 032-040- 032-040- 031-037- - start field character 097-141-a 083-123-S 116-164-t 101-145-e 112-160-p 104-150-h 101-145-e 110-156-n 032-040- 080-120-P 114-162-r 097-141-a 116-164-t 097-141-a 030-036- - end field character 032-040- 032-040- 031-037- - start field character 097-141-a 072-110-H 111-157-o 119-167-w 097-141-a 114-162-r 100-144-d 032-040- 087-127-W 046-056-. 032-040- 083-123-S 097-141-a 109-155-m 115-163-s 032-040- 038-046-& 032-040- 067-103-C 111-157-o 109-155-m 112-160-p 097-141-a 110-156-n 121-171-y 030-036- - end field character 032-040- 032-040- 031-037- - start field character 099-143-c 076-114-L 073-111-I 086-126-V 030-036- - end field character 029-035- - end register character - 227 characters Decomposition 00254 2200121 4500 020 0015 00000 - starts at position 0 - ISBN ( a0672226510 ) - 15 characters length 090 0009 00015 - starts at position 15 - internal order ( c3 d3 ) - 9 characters length 245 0020 00024 - starts at position 24 - TITLE ( aC: Step-by-Step ) - 20 characters length 600 0018 00044 - starts at position 44 - Personal name ( aMitchel Waite ) - 18 characters length 600 0018 00062 - starts at position 62 - Personal name ( aStephen Prata ) - 18 characters length 610 0029 00080 - starts at position 80 - Corporate name ( aHoward W. Sams & Company ) - 29 characters length 942 0008 00109 - starts at position 109 - item type ( cLIV ) - 8 characters length If I delete the register from Koha and use Parameters --> Upload MARC records in reservoir option, I don't see the book inside koha. How to format the register to be successful? I need help. Thanks José Lagoas (Lisboa, Portugal)