<HTML><BODY><br><br><p class="MsoNormal"><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; color: #222222; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" data-mce-style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; color: #222222; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">Dear colleagues,</span></p><p class="MsoNormal"><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; color: #222222; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" data-mce-style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; color: #222222; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">could you please suggest me good/recent/standard works on chaining constructions, especially on the problem of their heads vs. dependent links.</span></p><p class="MsoNormal"><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; color: #222222; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" data-mce-style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; color: #222222; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">Thank you very much,</span></p><p class="MsoNormal"><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; color: #222222; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" data-mce-style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; color: #222222; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;">  Sergey</span></p><br></BODY></HTML>