Text this: Boosting productivity of bucket brigades in multiple-aisle order-picking with hand-off times

 _    _     ______     _____    _____     _____   
| |  | ||  /_   _//   / ___//  |  ___||  |__  //  
| |/\| ||   -| ||-    \___ \\  | ||__      / //   
|  /\  ||   _| ||_    /    //  | ||__     / //__  
|_// \_||  /_____//  /____//   |_____||  /_____|| 
`-`   `-`  `-----`  `-----`    `-----`   `-----`