https://books.google.lt/books?id=_P5bCgAAQBAJ&pg=PT109&lpg=PT109&dq=%E9%9B%AA%E7%99%BD%E7%9A%84%E4%B9%B3%E8%82%89%E4%BB%8E%E4%BB%96%E6%8C%87%E7%BC%9D%E9%97%B4%E6%BA%A2%E5%87%BA&source=bl&ots=XhHWZeQPco&sig=ACfU3U2MlwehGKjFTEk06uJ9uQ7Wg3xtSQ&hl=lt&sa=X&ved=2ahUKEwjtuIvB6qz5AhUNt4sKHV_lBqYQ6AF6BAgCEAM