@inproceedings{inproceedings1648f04a,
title   = {Preliminary report on reproductive performance of heifers in a herd in Piracicaba, SP},
author = {Abdalla, Adibe Luiz and Meirelles, Cyro Ferreira and Vitti, Dorinha Miriam Silber Schmidt},
year = {1990},
publisher = {Ifs/Sipar},
booktitle   = {Joint Ifs-Sipar Seminar on Animal Reproduction}
}