Horgan, Michael O'Connor. Competitive tendering for engineering contracts / Michael O'Conno r Horgan. - London : E. and F. N. Spon, 1984, repr.1987. - xiv, 255 p. : ill. ; 24 cm. Subjects--Topical Terms: Engineering--Contracts and specifications--Gt. Brit.Contracts, Letting of--Gt. Brit. Dewey Class. No.: 620 HOR