Order of the Supreme Court, Kings County, entered March 28, 1972, affirmed, without costs. In the event that either of the parties finds difficulty in fulfilling his or her respective obligations on the exchange of the children for visitation and return purposes, it is suggested that the services of some social agency be enlisted to help perfect the transportation of the children. Hopkins, Acting P. J., Latham, Shapiro, Gulotta and Christ, JJ., concur.